Summary of Cornerstone Day School
Cornerstone Day School is a private school located in the Other/Alternative of Mountainside, Union County, New Jersey. With a total of 45 students in the student body and 8 full time teachers on staff, it has a student teacher ratio about 5:1. The school offers classes in various grade levels.
| School Type | Grade Levels Offered |
|---|---|
 Public School |
Elementary School |
 Private School |
Middle School |
|
Religious School |
High School |