The SJC Computer Lab is used by the entire school community. The computer lab has 20 stations of eMac computers. Each class Kindergarten through 8th Grade attend computer classes once a week. SJC has two computer teachers. One teaches Kindergarten through 3rd Grade and the other teaches 4th Grade through 8th Grade. The Computer Lab also has two mobile carts each containing 20 iBook laptops. These carts are used in every classroom for the integration of computers into the curriculum.