Rafael Cordero San Juan
Grade 11Biology

Rafael Cordero San Juan – Biology

Jun 2026 · Summer Semester

Biology · Rafael Cordero San Juan
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Human Body Systems

Explore the major organ systems, homeostasis, and how body systems interact.

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Ruth's profile
Ruth
University of Pennsylvania
My teaching philosophy is focused on a single objective - that students learn. I have a Ph.D. in Criminology from the University of Pennsylvania and a J.D. from Temple Law School. My GRE score was a 326, and my LSAT score was a 173. I've tutored over 60 students through Varsity Tutors. I'm committed to helping students reach their full potentials.
Algebra
LSAT Reading...
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Ning's profile
Ning
Thomas Jefferson University
I was accepted to Sidney Kimmel Medical School (class of 2025) on 10/15/20 at Thomas Jefferson University after obtaining my undergraduate degree in Biology at the University of Notre Dame in May 2016. With that said, I will dedicate the same quality of care to my students as I would to my future patients. To me, tutoring is mainly about cultivating a passion to learn in the student so that they are able to achieve their ultimate goal. Accordingly, my approach to tutoring is not merely to cram facts into your brain, but also focus on organization by establishing a plan during our first session. If this is what you are looking for, I sincerely look forward to working with you. Thank you, Ning Linkedin: https://www.linkedin.com/in/nzhou48/
Microbiology
Pre-Algebra
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Alexandra's profile
Alexandra
University of North Texas Health Science Center
Get to know me professionally: Why are you passionate about helping students? I understand that navigating different forms of coursework can be difficult, especially as you continue to progress in your academic career. I believe that careful consideration should be given to how you study for a particular subject, and I am passionate about helping other students determine the best practice for them so they can strengthen their academic independence. Describe your experience working with students. I spent the latter half of my high school years tutoring my peers in addition to continued mentoring and tutoring in undergrad as well in two specific roles. As an Advisor, I provided mentorship and guidance to first-years throughout the entirety of their inaugural semesters in college and beyond. As a Fellow, I worked in intensive, monthlong programs to tutor, mentor, and prepare incoming freshmen for a collegiate education in STEM fields, though I continued to serve outside of this role during the academic year as well. In addition, I spent about two years teaching Anatomy and Physiology at the collegiate level. Where did you get your education? What degree(s) have you attained? B.A. in Biochemistry and Cell Biology, Rice University, 2017 M.S. in Medical Sciences, University of North Texas Health Science Center, 2019 What degree(s) are you working toward? M.D., University of Texas Rio Grande Valley School of Medicine, 2025 What subjects do you tutor? Mostly STEM-related What is your favorite subject(s) to tutor, and why? I don't have a particular favorite. Different subjects require different academic mindsets and I most enjoy exploring potential approaches and finding success in that process. How would you describe your teaching philosophy and your tutoring style? My personal teaching philosophy and tutoring style revolves around the idea: "You can do hard things!" I am comfortable being as hands-on as you would like and need, but my goal is to help others build academic confidence and independence in their own abilities so that they will be better served in the entirety of their academic careers, not just with the subject in which I am tutoring. I work hard with each student to help not only myself but help them assess their strengths and weaknesses for each subject. My approach is not "one size fits all." Instead, I listen carefully to each student and work with them on reviewing and completing their actual school materials and assignments to help them efficiently develop mastery over a subject. What interests you outside of academia? Both inside and outside of academia, I find myself drawn to experiences and opportunities that expand and challenge my worldview. I am always striving to become a better version of myself and deeply value the benefits of introspection and personal growth.
Cell Biology
Molecular Bi...
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William's profile
William
MIT
From my experience teaching math to a range of students, from middle school through college, I know that it does not come easily to everyone. However, I firmly believe that everyone has the capability for mathematical reasoning. Everyone has their own strengths and challenges, and my job as a tutor begins with identifying these. I like to have students work through problems while I guide them and make suggestions, so that I can get a sense of what they understand and what they don't. Then we can build on their knowledge and break down the challenging parts of the problem into smaller, more manageable chunks. I hold a bachelor's degree from UChicago and a doctorate from MIT, both in mathematics. I am available to tutor Latin, physics, and all levels of math. Outside of academics, I am an avid tournament chess player, and I enjoy running and cycling.
AP Statistics
AP Calculus BC
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