About Tammy Chang Test Prep

Tammy Chang offers individualized, top-of-the-line private tutoring all over the world. She works with students through Facetime, Zoom, Skype, and more.
She lives with her husband, two daughters, and three black cats in California.

Tammy is a Stanford graduate (MBA Class of ’93) with 15 years of experience in test preparation and academic tutoring. She has helped hundreds and thousands of students achieve excellent test scores and get accepted to their dream schools - many with sizable scholarships!
Read over 200 5-star reviews here!
Please contact her directly at 310-293-5682 (via text or call) for a free 30 minute consultation. You can also send her an email at info@tammychangtestprep.com.
Tammy Chang
Stanford University, MBA Class of '93
Founder of Tammy Chang Test Prep
Meet the Team

Afshin Yaghmaei, UCLA BS Electrical Engineering
Afshin Yaghmaei, BS Electrical Engineering and former Principal Development Engineer at UCLA, has been teaching advanced math and engineering courses, including College/AP Calculus, SAT Math 2 and EIT/PE, to college and high school students for over 10 years.

Tara Yaghmaei
Tara majored in Business Finance and graduated with a 4.0 GPA, summa cum laude. Previously, she received an 800/800 on the SAT Math 2 Subject Test and 36/36 on all four ACT subjects. She teaches and reinforces the fundamental skills to achieve success in Pre-Algebra, Algebra (Beginning, Intermediate, and College), Geometry, Trigonometry, Pre-Calculus, Calculus, LSAT, SAT, ACT, CSET, Accounting, Finance, and More!

Leila Yaghmaei
Leila is currently studying to become a concept artist and illustrator. She previously studied Physics at UCLA, where she maintained a 3.9 GPA. She also received a score of 35 on her ACT. She teaches elementary, middle, high school and college Math, Physics, college and secondary school English Essay Writing, CBEST, FCTC, ASVAB, SAT, ACT, and More!
Teaching Assistants

Renn

Dmitri

Bat-Bat