Pinnacle High School
High School8412 Huron St, Thornton, CO
Education
Independent high schools in Thornton, CO
8 independent, locally-owned high schools are listed in Thornton, Colorado on CheckThisBiz. National chains and franchises are not included. Ranked by how much we could independently verify (listing sources, phone, website and owner verification), the top high schools are Pinnacle High School, Thornton High School and Academy High School.
How we rank: email-verified customer reviews on CheckThisBiz first, then independent checks (listing sources, phone, website and domain, owner verification). Paid placement never changes this ranking. Our methods · Sources · Updated September 27, 2026
View on map8 high schools in Thornton · Clear
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Thornton High School
High School9351 Washington St, Thornton, CO
Academy High School
High School8970 York St, Thornton, CO
North Valley School for Young Adults
High School9000 York St, Thornton, CO
Mapleton Expeditionary School of the Arts
High School8980 York St, Thornton, CO
Horizon High School
High School5321 E 136th Ave, Thornton, CO
Skyview Academy
High School9000 York St, Thornton, CO
Skyview Campus
High School8990 York St, Thornton, CO
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