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SCHOOL COMMUNITY·MAPLETON SCHOOL DISTRICT NO. 1 IN THE COUNTY OF ADAMS & ST·NCES 080555002016

Clayton Partnership School

8970 YORK ST, THORNTON, CO 80229 · (303) 853-1460 · Adams County
GRADES KG–08ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL430 STUDENTS
Enrollment
430
Elementary
DISTRICT 368 · STATE 379
Student : Teacher
18.6:1
23 FTE teachers
DISTRICT 17.7:1 · STATE 16.6:1
Free / Reduced Lunch
78%
334 students
DISTRICT 71% · STATE 50%
Community
2
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Kindergarten
37
Grade 1
38
Grade 2
39
Grade 3
41
Grade 4
56
Grade 5
45
Grade 6
57
Grade 7
59
Grade 8
58
Student demographics
White
338%
DISTRICT 13% · STATE 49%
Hispanic
37587%
DISTRICT 81% · STATE 37%
Black
51%
DISTRICT 1% · STATE 5%
Asian
92%
DISTRICT 3% · STATE 3%
Two+
61%
DISTRICT 2% · STATE 5%
Native American
20%
DISTRICT 0% · STATE 1%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
20648%
Female
22452%

Discussions

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Test scores

CMAS 2024-25 . % Met or Exceeded Expectations
English Language Arts
24.0%
CO avg 44.9% . +1.2pp since 2023
Math
16.2%
CO avg 36.1% . +2.5pp since 2023
Source: CMAS. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
20.9%
composite math + reading, all grades
Predicted
19.6%
based on CO schools with similar FRL share
Beats by
+1.3pp
above demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
430
-29 (-6%) vs 2017
Student : Teacher
18.6:1
was 17.3:1
% White
8%
was 14%
% Hispanic
87%
was 78%
% Black
1%
was 2%
% Asian
2%
was 4%
Source: NCES Common Core of Data

About Clayton Partnership School

Clayton Partnership School, a mid-tier elementary campus in THORNTON, Colorado, operated by Mapleton School District No. 1 in the county of Adams & St, educates 430 students, covering grades K through 8.

Across the 20 schools in Mapleton School District No. 1 in the county of Adams & St (7,095 students total), Clayton Partnership School accounts for its share of the district's footprint.

On demographics, Clayton Partnership School lists that nearly all students (87%) are Hispanic. The remainder consists of 8% White, 2% Asian. The wider county runs roughly 43% Hispanic, putting the school's mix considerably more Hispanic than the area baseline.

Looking at school resources, On paper, Clayton Partnership School has 23 full-time-equivalent teachers, translating to a class-load average of around 18.6:1. That figure is higher than the state norm's 16.6:1 average. Roughly 78% of students at Clayton Partnership School qualify for free or reduced-price lunch, often used as a Title I proxy. By comparison, Adams County runs at roughly 62%, so the school's eligibility rate is above the surrounding baseline.

Adjusting for the school's free-and-reduced-lunch share, Clayton Partnership School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 19.6%, the actual is 20.9%, a residual of +1.3 points.

Around the school, census data for Adams County shows median household income runs about $94,571, roughly 29% of adults have completed at least a four-year degree, and roughly 7% of residents live below the federal poverty line. Across Adams County's 171 public schools (combined enrollment of about 87,938 students), Clayton Partnership School is one campus in the mix.

Academy High School is the nearest neighboring public school, about 0.0 miles from this campus. 8 of the 8 nearest public schools sit inside a five-mile radius. Ranking that nearby cluster on reported proficiency puts Clayton Partnership School at 2nd of 6; the average score across the group is 17.3%.

The campus sits in a residential setting.

Trend over the last 7 years. Over the past 7-year window, the student count edged down 6%: 459 students in 2018 compared to 430 in 2025. Hispanic enrollment moved from 78% to 87% across the same window. Class-load math has widened: from 17.3:1 in 2018 to 18.6:1 in 2025.

On this page, members of the Clayton Partnership School community share and discuss classroom updates, athletics, and weather closures. Members of the school community can share what they know.

Adams County at a glance

View full county profile
Population
530,225
Census ACS
Median income
$94,571
Household, ACS
Bachelor's+
29%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
171
87,938 students

Quick facts

School name
Clayton Partnership School
District
Mapleton School District No. 1 in the county of Adams & St
Address
8970 YORK ST, THORNTON, CO 80229
Phone
(303) 853-1460
County
Adams County
Level
Elementary
Grade range
KG–08
Total enrollment
430
Teachers (FTE)
23
Student–teacher ratio
18.6:1
Free/Reduced lunch
334 (78%)
Locale
21-Suburb: Large
NCES ID
080555002016
Charter school
No
Virtual school
No

Related schools

Other schools in Mapleton School District No. 1 in the county of Adams & St
Other schools in THORNTON
Nearby schools

Frequently asked questions

About Clayton Partnership School
How large is Clayton Partnership School?
Clayton Partnership School enrolls approximately 430 students in grades KG-08.
Is Clayton Partnership School an elementary, middle, or high school?
Clayton Partnership School is an elementary school covering grades KG-08.
How many teachers does Clayton Partnership School have?
Clayton Partnership School employs 23 FTE teachers, for a student-to-teacher ratio of 18.6:1.
How diverse is Clayton Partnership School?
Clayton Partnership School reports a student body of 8% White, 87% Hispanic, 1% Black, 2% Asian, 1% Two or more.
Who oversees Clayton Partnership School?
Clayton Partnership School is overseen by Mapleton School District No. 1 in the county of Adams & St in Adams County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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