OneInMath is a free, self-paced supervised program designed to help young children master math skills and build a strong foundation in their early years so they are more prepared and interested in math and sciences in the future. We combine the advantages of scientific learning, group tutoring, rigorous practice, and commitment from parents and students to help them excel.

The program has benefited over 700 students and is supported by over 80 high school volunteers!


This program is free.


Classes are offered at Evergreen, Berryessa, Hillview, and Calabazas branches of San Jose Public Library. Please visit the Class Schedule page for more details. 


Registration is required. Please register as soon as possible to reserve a spot (classes fill up quickly).
Please fill out the Student Registration Form to register online.

Please print and sign the Photo/Video Release Form, which is required to participate.

Please review the videos below to learn more about the program.

Explains how the practice sheets are organized including modules, booklets, practice sheets, evaluation. It also explains how to navigate the oneinmath practice sheets and videos pages.

OneInMath - Practice Sheets and Videos


This video explains how a student is evaluated and how a volunteer determines which module and booklet a given student should start from. This video is for all volunteers and parents who are self teaching their children.

OneInMath Diagnostic Tests