Sheppard Pratt School in Glyndon
- Maryland
Sheppard Pratt School in Hunt Valley
- Maryland
Sheppard Pratt School in Lanham
- Maryland
Sheppard Pratt School in Rockville
- Maryland
Sheppard Pratt Schools
- Maryland
Spec Results Academy
- Ohio
Specialized Education Services, Inc. (SESI)
- Pennsylvania
Spectrum360 | Academy 360
- New Jersey
Springtime School
- Pennsylvania
Spurwink Services
- Maine
