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SCHOOL COMMUNITY·MAPLETON SCHOOL DISTRICT NO. 1 IN THE COUNTY OF ADAMS & ST·NCES 080555002007

Explore Pk-8

10310 YORK ST, THORNTON, CO 80229 · (303) 853-1300 · Adams County
GRADES PK–08ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL557 STUDENTS
Enrollment
557
Elementary
DISTRICT 368 · STATE 379
Student : Teacher
19.8:1
28 FTE teachers
DISTRICT 17.7:1 · STATE 16.6:1
Free / Reduced Lunch
63%
350 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
Pre-K
61
Kindergarten
58
Grade 1
60
Grade 2
57
Grade 3
55
Grade 4
58
Grade 5
55
Grade 6
53
Grade 7
58
Grade 8
42
Student demographics
White
19%
DISTRICT 13% · STATE 49%
Hispanic
68%
DISTRICT 81% · STATE 37%
Black
1%
DISTRICT 1% · STATE 5%
Asian
7%
DISTRICT 3% · STATE 3%
Two+
4%
DISTRICT 2% · STATE 5%
Native American
n/r
Pacific Islander
n/r
n/r: not reliably reported by NCES for this school. Hispanic, Pacific Islander, and Native American enrollment are systematically under-reported in the source data.
Gender split
Male
54%
Female
46%

Discussions

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Test scores

CMAS 2024-25 . % Met or Exceeded Expectations
English Language Arts
22.4%
CO avg 44.9% . +5.1pp since 2023
Math
15.3%
CO avg 36.1% . +1.9pp 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
18.0%
composite math + reading, all grades
Predicted
28.6%
based on CO schools with similar FRL share
Beats by
-10.6pp
below 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
557
+135 (+32%) vs 2017
Student : Teacher
19.8:1
was 21.1:1
% White
19%
was 26%
% Hispanic
68%
was 65%
% Black
1%
was 2%
% Asian
7%
was 1%
Source: NCES Common Core of Data

About Explore Pk-8

As a moderately sized primary school in THORNTON, Colorado, Explore Pk-8 educates 557 students from grades pre-K through 8, operated by Mapleton School District No. 1 in the county of Adams & St. Enrollment runs roughly 47% bigger than the state mean of about 379.

Mapleton School District No. 1 in the county of Adams & St comprises 20 schools with combined enrollment of 7,095 students; Explore Pk-8 is among them.

Demographically, Explore Pk-8 logs that Hispanic students make up the majority at 68%; the rest reads as 19% White, 7% Asian, 4% multiracial. By comparison, Adams County as a whole is about 43% Hispanic, so the school skews noticeably more Hispanic than its surroundings.

Looking at the economic backdrop, Staff filings list 28 full-time-equivalent teachers, which works out to roughly 19.8:1 students per teacher. That figure is higher than the state norm's 16.6:1 average. An estimated 63% of students are eligible for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator.

On a demographically-adjusted basis, Explore Pk-8 performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 28.6%, the actual is 18.0%, a residual of -10.6 points.

Around the school, Adams County reports that the typical household earns roughly $94,571 per year, 29% of adults hold a bachelor's degree or higher, and the poverty rate sits near 7%. Across Adams County's 171 public schools (combined enrollment of about 87,938 students), Explore Pk-8 is one campus in the mix.

Nearest neighbor: Leroy Elementary, around 0.8 miles off. Within five miles, there are 8 other public schools. On composite proficiency, Explore Pk-8 comes 4th of 8 in the immediate cluster, higher than the nearby-schools average of 17.8%.

Geographically, the school is in a commuter-belt area.

Looking at the recent track record. Looking back 7 years, enrollment at Explore Pk-8 has expanded 32%, going from 422 students in 2018 to 557 in 2025. White enrollment moved from 26% to 19% across the same window. The student-to-teacher ratio pulled in from 21.1:1 in 2018 to 19.8:1 today.

Inside the community feed, the feed for Explore Pk-8 typically covers science fair prep, picture-day reminders, and bus-route questions. Anyone with firsthand experience at this school can post or comment.

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
Explore Pk-8
District
Mapleton School District No. 1 in the county of Adams & St
Address
10310 YORK ST, THORNTON, CO 80229
Phone
(303) 853-1300
County
Adams County
Level
Elementary
Grade range
PK–08
Total enrollment
557
Teachers (FTE)
28
Student–teacher ratio
19.8:1
Free/Reduced lunch
350 (63%)
Locale
21-Suburb: Large
NCES ID
080555002007
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 Explore Pk-8
How large is Explore Pk-8?
Explore Pk-8 enrolls approximately 557 students in grades PK-08.
What age range does Explore Pk-8 serve?
Explore Pk-8 serves students from grade PK through grade 08.
How many students per teacher at Explore Pk-8?
Approximately 19.8:1 students per teacher at Explore Pk-8.
How diverse is Explore Pk-8?
Explore Pk-8 reports a student body of 19% White, 68% Hispanic, 1% Black, 7% Asian, 4% Two or more.
Who oversees Explore Pk-8?
Explore Pk-8 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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