The Glenholme School is a specialized boarding and day school in Washington, Connecticut, affiliated with Devereux Advanced Behavioral Health. Devereux describes Glenholme as an independent, coeducational school for students ages 10 to 22 in grades five through 12+, serving young people with special learning, social, and emotional needs (The Glenholme School, Devereux).

The school opened in 1968 on the former Van Sinderen estate in Washington. Public school descriptions emphasize a structured residential and academic setting, college and transition preparation, and therapeutic support for students with autism-spectrum, attention, anxiety, mood, and learning-related challenges (The Glenholme School, FindingSchool).