UCLA ORMC is short for UCLA Olga Radko Endowed Math Circle. ORMC is a free Sunday school for gifted children run by UCLA Department of Mathematics. There are currently about 400 students and 75 instructors in the program (2024). ORMC students rountinely place high on national math competitions. For mor details, please visit its website:

https://circles.math.ucla.edu/circles

Text book: Math Adventures iwth ORMC, Level 1, From Optical Illusions to Fighting Dragons

http://newsroom.ucla.edu/magazine/olga-radko-endowed-math-circle-gifted-students

This UCLA newsromm mentions: Students in the program have already created eight satellite math circles of their own while enrolled in the program, and ORMC offers resources to support them.