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AP Statistics Specialist & College Board Exam Reader
Rex D.

5.0 (5 ratings)

6 hours tutoring

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Hourly Rate: $45
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Response time: 19 hours

About Rex

Bio

Unlock the "insider" secrets to mastering AP Statistics and Algebra. As a veteran secondary mathematics educator in Tucson and a multi-year AP Statistics Exam Reader for the College Board, I don't just teach the material—I know exactly how it’s graded. I bring a seasoned perspective to every session, helping students navigate the precision required by national scoring rubrics to turn 3s into 5s.

My approach combines a deep love for Statistics with an interactive "math tech stack." Whether...

Unlock the "insider" secrets to mastering AP Statistics and Algebra. As a veteran secondary mathematics educator in Tucson and a multi-year AP Statistics Exam Reader for the College Board, I don't just teach the material—I know exactly how it’s graded. I bring a seasoned perspective to every session, helping students navigate the precision required by national scoring rubrics to turn 3s into 5s.

My approach combines a deep love for Statistics with an interactive "math tech stack." Whether we are visualizing distributions in Desmos or mastering the TI-84 Plus, I transform complex data analysis into an intuitive, manageable journey.

A Versatile Academic Partner
With a Master’s and Bachelor’s from the University of Arizona, my expertise extends beyond the calculator. I hold professional certifications in Mathematics, History, English, and Government. This broad foundation allows me to support the "whole student," whether we are calculating p-values or refining a persuasive essay for a humanities course.

I believe learning should be as personable as it is professional. I tailor every lesson to your unique learning style, ensuring you feel confident across your entire curriculum. Ready to master your coursework with a tutor who is sharp, relatable, and results-oriented? Book your first lesson today!

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Education

University of Arizona
History
University of Arizona
Masters
Pima Community College
Other
  • Licensed teacher

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Approved Subjects

ACT English

ACT English

As a state-certified Secondary educator with a decade of experience, I bring a rigorous and highly effective approach to ACT English preparation. Although I am primarily a math specialist and AP Statistics Reader, I have successfully taught dedicated ACT English Language Arts (ELA) courses, where I’ve helped numerous students master the fundamental skills needed for dual-enrollment and college success. My background includes a Master’s degree from the University of Arizona and official Arizona Department of Education approval in English, ensuring that my instruction is both academically sound and strategically targeted. I am a naturally "awesome" test-taker who has passed every professional qualification exam without a struggle, and I am passionate about empowering students to "kick ass" on their own exams through vigorous practice and active participation.
ACT Math

ACT Math

With over a decade of experience teaching Algebra 1, Algebra 2, and AP Statistics, I provide a comprehensive approach to ACT Math that covers everything from foundational operations to advanced data analysis. My background as a classroom teacher and curriculum developer allows me to identify the specific "gap" areas where students struggle, ensuring they master the essential algebraic and geometric concepts tested on the exam. By integrating the same "math tech stack" I use in my honors and AP courses, I teach students efficient calculator strategies and mental math techniques to increase their speed and accuracy. My goal is to demystify the test's structure, helping students navigate the increasing complexity of the 60 questions with confidence and precision.
ACT Science

ACT Science

Drawing on my ten years of experience as a certified STEM educator and AP Statistics Reader, I specialize in teaching students the "language of data" that the ACT Science section requires. I help students bypass the dense scientific jargon to focus on the core skills that matter: interpreting complex graphs, analyzing experimental design, and drawing logical conclusions from evidence. Because the ACT Science section overlaps significantly with statistical reasoning, my methods provide students with a systematic approach to identifying patterns and trends quickly and accurately. My goal is to transform this section from an intimidating time-crunch into a predictable exercise in data analysis, ensuring my students feel confident and prepared on test day.
Algebra 1

Algebra 1

Having taught Algebra 1 for eight years in a professional classroom setting, I have a deep understanding of the fundamental concepts that often trip students up as they transition into high school mathematics. I specialize in breaking down complex topics like linear equations, inequalities, and quadratic functions into manageable, logical steps that build genuine confidence. My approach focuses on bridging the gap between abstract theory and practical application, ensuring that students don't just memorize procedures but actually understand the "why" behind the math. I am committed to creating a patient, low-stress environment where students feel empowered to tackle challenges and develop the strong foundational skills necessary for success in all future math courses.
American History

American History

With a Master of Arts in History and a Bachelor of Arts in History from the University of Arizona, I bring deep academic rigor to my classroom instruction. I am a state-certified educator with a Standard Professional Secondary certificate and have successfully passed the NES History and AEPA Political Science/American Government examinations. Over my ten-year teaching career, I have specialized in AP-level curriculum for seven years, and I leverage my experience as an AP Reader to help students master complex historical analysis. My approach combines this high-level expertise with a genuine passion for the subject, ensuring students are prepared for both exam success and a lifelong appreciation for history.
Anthropology

Anthropology

With a strong academic foundation including graduate-level study in cultural anthropology, I offer deep insight into human societies and cultural evolution. My background spans specific regional studies and classical art and architecture, providing students with a well-rounded perspective on the discipline. I am passionate about helping students master ethnographic concepts and excel in their social science curriculum.
Elementary Math

Elementary Math

With a decade of experience as a certified educator, I specialize in making the building blocks of mathematics clear and approachable for young learners. I focus on developing a strong sense of number fluency and problem-solving logic, ensuring that students move past simple memorization to truly understand how math works. My patient, supportive teaching style is designed to reduce math anxiety and build the confidence necessary for a successful transition into middle school and beyond. I am dedicated to creating a fun, interactive environment where elementary students can master the fundamentals and discover that they are truly capable of succeeding in math.
European History

European History

With a Master of Arts in History from the University of Arizona, I possess advanced academic expertise in European History, including specialized graduate coursework in 19th-century Europe, Early Modern Europe, and the History of Anarchism. I am a state-certified educator holding a Standard Professional Secondary certificate with an approved area in History. Over my ten-year teaching career, I have spent seven years teaching AP-level curriculum, and I utilize my experience as an AP Reader to help students master the nuances of historical argumentation and exam performance.
GED

GED

With over ten years of experience as a certified educator, I provide comprehensive preparation for all sections of the GED, with a particular focus on demystifying the mathematics and science components. I specialize in helping adult learners and high school students build the foundational skills and test-taking confidence necessary to secure their equivalency diplomas. My approach focuses on identifying specific knowledge gaps and providing targeted, efficient instruction that respects each student's time and individual learning goals. I am dedicated to creating a supportive, judgment-free environment where students can master the curriculum and successfully transition to the next phase of their careers or education.
Geography

Geography

With over a decade of experience in secondary education, I bring a deep, cross-disciplinary understanding of geography that integrates physical landscapes with human history and government. I hold both a Bachelor’s and a Master’s degree from the University of Arizona, providing me with a strong academic foundation in regional and global spatial analysis. My teaching approach focuses on making complex systems—from demographic shifts to tectonic movements—accessible and engaging through data-driven insights and real-world applications. I am committed to helping students build confidence and master the spatial reasoning skills necessary for academic success.
Government & Politics

Government & Politics

As a state-certified secondary educator with a Master’s degree from the University of Arizona, I bring a high level of academic rigor and classroom-tested expertise to the study of Government and Politics. I successfully passed the AEPA Political Science/American Government exam, demonstrating a comprehensive understanding of political thought, international relations, and both U.S. and Arizona constitutional frameworks. My teaching philosophy focuses on fostering intellectual self-sufficiency, helping students move beyond simple facts to understand the underlying logic and power structures of political systems. I am passionate about making complex civic concepts accessible and relevant, ensuring my students feel both prepared for their exams and empowered as informed citizens.
Microsoft Outlook

Microsoft Outlook

With over a decade of high-volume experience, I specialize in transforming Microsoft Outlook from an overwhelming inbox into a streamlined productivity hub. I provide expert instruction on advanced calendar management, automated rules, and organizational workflows that help users reclaim their time. My approach focuses on practical, real-world efficiency to ensure you can navigate both the desktop and web versions with total confidence.
Microsoft PowerPoint

Microsoft PowerPoint

As a veteran Arizona-certified educator with a Master of Arts from the University of Arizona, I bring over a decade of experience designing high-impact instructional materials and data-driven presentations. My expertise lies in transforming complex information—including advanced statistical data—into clear, visually engaging PowerPoint presentations that enhance learning and retention. I specialize in teaching students not just the technical "how-to" of the software, but also the principles of professional design and effective storytelling. My approach is patient and tech-forward, ensuring you walk away with the skills to create presentations that are both sophisticated and easy for any audience to follow.
Microsoft Word

Microsoft Word

As a veteran high school educator with a Master of Arts, I have spent over a decade using Microsoft Word to create professional curricula, technical handouts, and complex academic documents. My expertise extends beyond basic typing to include advanced formatting, mail merges, and the integration of mathematical notation—a skill set honed through years of teaching AP Statistics. I specialize in helping students master the technical features of Word while developing a clean, professional aesthetic for their own academic and professional work. I bring a patient, teacher-centered approach to every session, ensuring you feel confident navigating even the most advanced layout tools.
Music Theory

Music Theory

As a classically trained musician and state-certified educator, I bring a practical, multi-instrumental perspective to Music Theory. I am an active organist and have spent years mastering a diverse range of instruments, including the piano, saxophone, clarinet, and flute. My journey began with the tenor sax in middle school, and by gradually adding new instruments over the years, I developed a deep, intuitive understanding of how musical structures and theory apply across different voices and clefs. Whether you are looking to understand the mechanics of a score or the logic behind a composition, I combine my classroom teaching experience with a lifelong passion for performance to make theory feel both accessible and relevant.
Political Science

Political Science

As a state-certified secondary educator with an M.A. in History, I bring a deep academic background to my Political Science instruction, having passed the AEPA Political Science/American Government exam with a focus on political thought and comparative government. My expertise is rooted in advanced coursework from the University of Arizona, where I studied complex global topics including comparative political revolutions, the history of anarchism in Europe, and 20th-century Middle Eastern politics. Beyond pure theory, I have a decade of experience in the classroom, which has shaped my ability to make dense political concepts accessible and engaging for students of all levels. I am passionate about helping students develop the critical thinking skills necessary to analyze historical and modern political systems with both intellectual rigor and curiosity.
Prealgebra

Prealgebra

As a professional high school math teacher with a Master of Arts from the University of Arizona, I specialize in bridging the gap between foundational arithmetic and the rigors of high school Algebra. My decade of classroom experience has taught me how to break down intimidating concepts—like integers, fractions, and early equations—into manageable, logical steps for middle schoolers. I bring a patient, encouraging personality to every session, using clear scaffolding to build the confidence students need for long-term mathematical success. My goal is to ensure every 7th and 8th grader develops a strong, intuitive grasp of variables and operations before they ever step foot in a high school classroom.
Probability

Probability

Drawing on over a decade of experience across Algebra 1, Algebra 2, and AP Statistics, I provide a comprehensive approach to mastering both theoretical and experimental probability. My background as a College Board Reader for AP Statistics allows me to teach these concepts with a focus on precision, helping students navigate everything from basic sample spaces to complex conditional probability and independent events. By utilizing the "Experience First, Formalize Later" methodology, I ensure students develop a strong conceptual intuition before moving into formal notation and formulas. I specialize in making abstract statistical models accessible by using real-world data and interactive tools to build lasting mathematical confidence.
PSAT

PSAT

As a state-certified secondary mathematics educator with nearly a decade of classroom experience, I specialize in bridging the gap between foundational Algebra 1 concepts and the high-level reasoning required for the PSAT. My background as a College Board AP Statistics Exam Reader gives me a unique, "behind-the-scenes" understanding of standardized testing logic and scoring rubrics. I have successfully guided hundreds of students through Algebra 1 and ACT test preparation, focusing on building both mathematical confidence and the specific "test-taking" stamina needed to excel on exam day. I enjoy making complex data and algebraic patterns accessible, helping students see the logic behind the numbers rather than just memorizing formulas.
SAT Math

SAT Math

As a state-certified Secondary Mathematics educator with over ten years of experience, I specialize in preparing students for high-stakes exams by mastering rigorous standards. My background as a College Board AP Statistics Reader gives me unique, "behind-the-scenes" insight into how national tests are scored, which I use to help students navigate complex problems with confidence. I have successfully instructed a wide range of math courses, from Honors Algebra to ACT/SAT preparation, focusing on making data analysis and problem-solving both accessible and tech-forward. I believe that anyone can become a great test-taker with the right strategies, and I am dedicated to helping my students achieve the same "effortless" success I’ve found in my own professional examinations.
Social Studies

Social Studies

Social Studies has always been my first love, and I have dedicated my academic career to mastering the complexities of our shared history and political systems. With a Master of Arts in History and state certification in History and Political Science, I offer students a deep, research-based perspective on everything from modern European revolutions to the cultural history of the Mediterranean. My decade of experience in the classroom has taught me how to transform dense primary sources and complex global events into engaging, culturally-responsive lessons that encourage intellectual curiosity. I am passionate about helping students see themselves in the narrative of history, fostering the critical thinking skills they need to navigate and understand the world around them today.
Statistics

Statistics

As a veteran mathematics educator and a College Board Reader for AP Statistics, I offer specialized expertise in statistical analysis across every level of the high school curriculum. My instruction ranges from foundational data representation in Algebra 1 and 2 to the advanced inferential modeling and hypothesis testing required for AP-level success. By utilizing the "Experience First, Formalize Later" (EFFL) framework, I help students bridge the gap between intuitive data exploration and the formal mathematical rigor needed for college-level mastery. I am committed to helping students not only calculate results but also interpret the "why" behind the numbers using real-world datasets and modern technological tools.
Study Skills

Study Skills

With ten years of experience as a certified high school teacher, I have helped hundreds of students move beyond rote memorization to master executive function and active learning strategies. I specialize in teaching students how to organize complex information, manage their time effectively, and utilize "meta-cognition" to identify exactly what they don't yet understand. My background as an AP Reader gives me a unique perspective on how to tackle high-stakes testing anxiety through proven preparation techniques and precise academic goal-setting. I am passionate about providing students with a personalized toolkit that transforms their study habits into a sustainable system for lifelong academic success.
United States History

United States History

With over a decade of experience as a certified high school educator, I provide a comprehensive and engaging approach to United States History that goes beyond simple dates and names. I specialize in teaching students how to analyze primary source documents, identify historical patterns, and build the critical thinking skills necessary for advanced coursework and essay writing. My classroom background allows me to connect historical events to broader social and political contexts, making the narrative of American history feel relevant and accessible to every student. My goal is to help students move from memorization to true historical understanding, ensuring they are fully prepared for exams and higher-level academic inquiry.
World History

World History

As a state-certified educator with a Master of Arts in Modern European History and a Bachelor of Arts in History from the University of Arizona, I bring deep academic expertise to the study of world events. While I have spent the last ten years as a dedicated mathematics teacher, my passion for history remains a core part of my professional identity. I have successfully passed the National Evaluation Series (NES) History exam and am officially approved by the Arizona Department of Education to teach the subject at the secondary level. My background in diverse historical topics—ranging from the Ottoman Empire to modern world revolutions—allows me to help students connect complex global narratives and develop critical thinking skills.
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Ratings and Reviews

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Reviews

Excellent AP Teacher

We’re very grateful to find Rex and for our son to prepare for the upcoming AP Statistics from him for the past two weeks. He was incredibly flexible and accommodating, and his teaching is both clear and effective. He sets clear expectations for tests and grading, which really helped our son feel confident and prepared. Most importantly, our son genuinely enjoys learning from him, which says everything. Thank you Rex!

Sandra, 5 lessons with Rex
Hourly Rate: $45
Response time: 19 hours
Contact Rex