When I write school papers (Essays and projects) I try to make it as succint as possible. I'll say this is my preferred style of writing. Compared to other students that like writing explicit write-ups. I want to inquire if it really matters if my school papers are as long as those other students? Will I get as much marks as those that wrote explicitly if we both cover the listed points?
Without reviewing your writing, it's hard to answer your question with certainty. I would keep a few things in mind while writing, however.
Instructors often specify that a paper has to be a certain page length or word count. The more concise your writing is, the more substance you'll need to provide to get to the appropriate length.
At the barest minimum, you need to provide enough detail in your writing that a person reading your work doesn't have to "fill in the blanks" in your reasoning.
Concise writing tends to be preferred in STEM fields, while it might come off as dry or hard to read in the social sciences or humanities.