Jiyun L

Tutor

Joined Jan 2026 · He/Him · 9:08 AM Local

About

Hi! I am the most GOATed high school junior, and I am here to tutor for calculus, SAT Math, biology, and computer science. I am especially interested in computational biology, and I have 1 cancer biochemistry research paper published. I also enjoy math a lot, and I am currently taking multivariable calculus. I also enjoy competitive programming, and I am currently qualified for USACO gold.

Tutor

Jan 2026 - Present

United States of America

Stats

523

Badges

Countries Reached

Learners Impacted

Sessions Hosted

1,976

Tutoring Minutes

Certifications

SAT® Prep

Honorary

SAT Reading & Writing

Honorary

SAT Math

Honorary

AP Calculus

Honorary

AP Biology

Honorary

Connections

Followers (7)

Following (1)

Upcoming Sessions

The Calculus 1:1 Emergency Room

34th session Tue Sep 1, 1:00 AM

Walk in with any AP Calculus injury: limits bleeding out, derivatives not responding, and integrals causing emotional damage. You choose what hurts, we diagnose it, and we fix it step by step using AP-style reasoning. I can cover anything, including AP Calculus AB, AP Calculus BC, and Multivariable Calculus. Sessions are done as 1:1 tutoring. Please message Jiyun to request 1:1 sessions.

Jiyun L

Registration closed.

Featured Feedback

Thank you for being so patient and giving such great explanations. You really helped me understand Series and Sequences in AP Calculus BC.

Learner · 16 days ago

“

I loved it! This class will definitely benefit me in AP CSA!

Learner · 1 mo. ago

“

Cool

Learner · 25 days ago

“

Jiyun is friendly and a good teacher.

Learner · 1 mo. ago

“

Badges

New Kid in Class
Attend 1 session
Show Your Stuff
Get 1 certification
Thinker
Get 5 certifications
Whiz Kid
Get 10 certifications
Red Delicious
Host 1 session
Granny Smith
Host 5 sessions
Honeycrisp
Host 10 sessions
Fuji
Host 25 sessions