The mission of the Great Oaks Foundation is to launch and support a network of charter schools that prepare students for college success through high-dosage tutoring. Redefining High-Quality Teacher Training: We want to create a pipeline of talented educators both within and beyond our network. Investing in Communities The Great Oaks Foundation is committed to the vitality of the communities in which our schools operate. Great Oaks employs 270 Americorps members across our four schools who provide individualized tutoring to every one of our students.