Cornerstone Prep is a free public school primarily for low-income families and located in the Binghampton community.  Cornerstone Prep is part of The Achievement School District.
Cornerstone Prep is a very unique elementary school. The school structure, perspective, methods and systems are based on the best practices from high performing school across the country. These best practices, infused with intentional character development that make Cornerstone Prep a distinctive institution.

The following are some of the distinguishing characteristics of Cornerstone Prep:

College preparation begins in kindergarten.
High expectations support high achievement.
Every minute counts.
Leadership matters.
Urban Students deserve the best.