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C−

Clayton Partnership School

PublicElementaryGrades K–8

8970 York St, Thornton, CO 80229 · (303) 853-1460 · Part of Mapleton School District 1

Thornton’s School Grade B+ better than 65% of Colorado school districts

Students
430
Students per teacher
19:1
Free or reduced lunch
78%
Setting
Suburb
Grades
K–8
The gist

What stands out about Clayton Partnership School

  • Its own letter, C−: better results than 21% of Colorado’s public schools
  • Math proficiency 14 pts below the state
  • Reading / language arts 25 pts below the state
  • Enrollment down 19.2% since 2020–21

Test scores

2020–21
Math proficiency17%
State average 30.5%
Reading / language arts22%
State average 47%

Its own letter, C−, places these results among Colorado’s 1,665 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).

8970 York St, Thornton

Students

Enrollment by grade
Kindergarten37
Grade 138
Grade 239
Grade 341
Grade 456
Grade 545
Grade 657
Grade 759
Grade 858
Enrollment over time
532’20
407’21
410’22
441’23
430’24

Down 19.2% since 2020–21.

Who goes here
Hispanic 87%White 8%Asian 2%Two or more races 1%Black 1%American Indian/Alaska Native <1%

As reported to NCES, share of students with a reported race or ethnicity.

Parents talk

Questions and answers about Clayton Partnership School from Thornton families.

Other schools in Mapleton School District 1

The district →

School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against Colorado’s other public schools; Thornton’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.