The TTT Mentor Program (TTT Foundation, Inc.) is a non-profit 501(c)(3) tax exempt volunteer run organization. The target population is multicultural families with school age children in grades 4 - 7 living in the greater Boston and Cambridge communities. The enrichment activities are in science, technology, engineering and mathematics and classes are Saturday-only. There are requirements for enrollment in the math and science project classes. However, most of the scheduled classes and activities are free and are open to the public, only requiring registering via email.