Welcome to COPI

Corey's Online Problem Interface (COPI) is an individualized training platform designed by (me!) Corey Predella. It is open to motivated high school and middle school students serious about improving their mathematical intuition in domains ranging from coursework to problem-solving in national olympiads such as the USA(J)MO If you do not have a login or are interested in my teaching services, please visit my tutoring website for more information.

Current Student Login