Shelton's admission process identifies students who will benefit most from the school's highly specialized, individualized curriculum.
- Shelton uses a rolling admission process, where students are accepted as placements become available.
- Traditionally, Shelton accepts new students age 3 through grade 10. Juniors and Seniors are considered on a case-by-case basis.
- Preference in the selection process is given to siblings of currently enrolled Shelton students and children of alumni.