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C−

York International

PublicOtherGrades K–12

9200 York St, Thornton, CO 80229 · (303) 853-1600 · Part of Mapleton School District 1

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

Students
776
Students per teacher
19:1
Free or reduced lunch
73%
Setting
Suburb
Grades
K–12
The gist

What stands out about York International

  • Its own letter, C−: better results than 17% of Colorado’s public schools
  • Math proficiency 23 pts below the state
  • Reading / language arts 20 pts below the state
  • Enrollment down 20.2% since 2020–21

Test scores

2020–21
Math proficiency8%
State average 30.5%
Reading / language arts27%
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).

9200 York St, Thornton

Students

Enrollment by grade
Kindergarten51
Grade 146
Grade 254
Grade 355
Grade 455
Grade 546
Grade 661
Grade 762
Grade 859
Grade 979
Grade 1079
Grade 1164
Grade 1265
Enrollment over time
972’20
851’21
817’22
767’23
776’24

Down 20.2% since 2020–21.

Who goes here
Hispanic 85%White 8%Asian 5%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 York International 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.