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Thornton High School

Thornton, Colorado · Grades 9 to 12 · Adams 12 Five Star Schools

Public school

About Thornton High School

Thornton High School is a public school in Thornton, Colorado, serving grades 9 through 12. It reported 1,439 students in 2024-25. That makes it one of the larger public and charter high schools in Thornton. There are about 16.4 students for every full-time-equivalent teacher (88 teachers in all). Families comparing options will find 90 other schools within 5 miles. It is one of 51 schools in Adams 12 Five Star Schools. Federal locale data places it in a suburb of a large metro area, in Adams County.

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School facts

Address	9351 Washington Street, Thornton, CO 80229
Phone	(720) 972-4800
School district	Adams 12 Five Star Schools
Grades	9 to 12
Students (2024-25)	1,439
Teachers (full-time equivalent, 2024-25)	88
Students per teacher	16.4
Charter school	No
School type	Regular
Level	High
Locale (NCES)	Suburb, large, Adams County

Source: NCES Common Core of Data (CCD), 2024-25 public school directory and membership files (NCES school ID 080690001192). Details may have changed since the survey. Schools can update them by claiming this profile.

Nearby schools

Thornton Middle SchoolPublic · Grades 6 to 8Thornton · 0.2 mi Thornton Elementary SchoolPublic · Grades PreK to 5Thornton · 0.3 mi New America School - ThorntonCharter · Grades 9 to 12Thornton · 0.6 mi North Mor Elementary SchoolPublic · Grades PreK to 5Northglenn, CO · 0.6 mi North Star Elementary SchoolPublic · Grades PreK to 5Denver, CO · 1 mi Achieve AcademyPublic · Grades PreK to 8Thornton · 1.1 mi McElwain Elementary SchoolPublic · Grades K to 5Thornton · 1.1 mi York InternationalPublic · Grades K to 12Thornton · 1.1 mi

The 8 closest public, charter and private schools by straight-line distance, from NCES location data. Listings here are never paid.

Frequently asked questions

What grades does Thornton High School serve?

Thornton High School serves grades 9 through 12.

How many students attend Thornton High School?

Thornton High School reported 1,439 students in 2024-25, according to the NCES Common Core of Data.

What is the student-teacher ratio at Thornton High School?

About 16.4 students per full-time-equivalent teacher, based on 1,439 students and 88 teachers in federal data.

Is Thornton High School a public or charter school?

Thornton High School is a traditional public (non-charter) school.

What school district is Thornton High School in?

Thornton High School is part of Adams 12 Five Star Schools. See all schools in this district at https://parentschoolreview.com/districts/co/adams-12-five-star-schools/

Where is Thornton High School located?

Thornton High School is at 9351 Washington Street, Thornton, CO 80229. The phone number is (720) 972-4800.

How many other schools are near Thornton High School?

There are 90 other schools within 5 miles of Thornton High School in our directory.