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#949 of 1,815 schools in CO

Stargate Charter School

School · Adams 12 Five Star Schools

14530 WASHINGTON STREET, Thornton, CO 80023

Charter

Enrollment

1,572

Student-Teacher

19.6:1

Score

6.3

Grades

Kindergarten – 12th

Updated 2022-23

How this school compares

In Thornton

#11 of 39

public schools

Colorado schools

#44 of 130

In district

#19 of 53

Adams 12 Five Star Schools

Equity

9.9 / 10

Exceptional

About Stargate Charter School

Stargate Charter School serves 1,572 students in grades kindergarten through 12 in Thornton, Colorado, with a student-teacher ratio of 19.6:1 across 80 full-time equivalent teachers. This charter school has earned impressive academic recognition, ranking 182nd out of 1,831 schools statewide and placing in the 90th percentile with a strong 7.6 out of 10 MySchoolScout rating. The school demonstrates excellent academic performance, particularly in mathematics where 73% of students achieve proficiency or above across grade levels.

With an outstanding academic score of 9.8 out of 10, Stargate Charter School clearly provides a rigorous educational environment that helps students excel. The school draws from an affluent community in the 80023 ZIP code, where families enjoy a median household income of $160,212 and median home values of $747,800. The area's highly educated population, with 67% holding bachelor's degrees or higher and only a 3.2% poverty rate, reflects a community strongly invested in education.

Stargate Charter School operates in a unique rural setting near town, offering students the benefits of a close-knit educational environment while maintaining access to broader community resources in Adams County.

What Parents Should Know

Stargate Charter School is a charter school — a publicly funded school that operates with more autonomy than traditional district schools. Charter schools often have distinct educational models or specialties. Parents should understand the school's specific mission, enrollment process, and how its approach differs from nearby district options.

Located in a rural area, Stargate Charter School may involve longer commutes for some families. Rural schools often serve as community anchors and may have smaller class sizes, but parents should consider transportation logistics, after-school program availability, and access to specialized services.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress7.4Very Good25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data4
Annual Change+0.33 pts/yr
Data Period2019–2025
TrendStable
Academics9.8Exceptional25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency78.5%
Reading/ELA Proficiency78.3%
Math vs. State Avg+42.4 pts
Reading vs. State Avg+33.4 pts
Overall Proficiency78%
Expected (poverty-adj.)57%
vs. Expected+21.0 pts
Adjusted Percentile98th
College Readiness4.4Below Average30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation17.9%
IB ProgramNo
Resources & Environment3.5Fair20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio19.6:1
Per-Pupil Spending$13,222

Stargate Charter School — Students at Stargate Charter School score 78% proficient, which is above what's typical for similar communities (expected: 57%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

9.9%

Students qualifying for federal meal assistance

Test Scores CO CMAS (2024-25)

Math Proficiency 77.5%
School
State
37.4%
ELA Proficiency 78.4%
School
State
45.5%

Based on 19 test records from CO state assessments. About our data

Proficiency Trend

→ Stable

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
75%
ELA
76%
2021*
Math
78%
ELA
84%
2022
Math
73%
2025
Math
78.4%
ELA
77.9%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 7.4/10.

How Stargate Charter School Compares

See how Stargate Charter School performs across key quality dimensions compared to state benchmarks.

Overall Score
6.3/10
48th percentile in CO
Academic
9.8/10
9.8/10
Growth
7.4/10
Above average
Environment
3.5/10
Below average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
10%
Teaching Staff
20:1 student-teacher ratio
80 teachers

Location

14530 WASHINGTON STREET, Thornton, CO 80023

Nearby Alternatives

Families considering Stargate Charter School may also want to explore other schools in the area. Legacy High School (rated 7.3/10, 2.5 miles away, in nearby Broomfield), which scores slightly higher. Another option is Silver Creek Elementary (rated 7.2/10, 1.5 miles away), which scores slightly higher. Additionally, FRASSATI CATHOLIC ACADEMY (rated 6.9/10, 2.6 miles away), which scores slightly higher. For more schools in Thornton, see our Thornton schools guide .

Nearby Schools

20 within 2.6 mi
School Distance Rating
Rocky Top Middle School Thornton 1.2 mi 5.9
Hunters Glen Elementary School Thornton 1.6 mi 6.2
HOPE MONTESSORI ACADEMY Broomfield 1.4 mi
Silver Creek Elementary Thornton 1.5 mi 7.2
Century Middle School Thornton 2.0 mi 5.2
PRIMROSE SCHOOL OF THORNTON Thornton 2.1 mi 4.2
Westgate Community School Thornton 2.5 mi 5.7
Prairie Hills Elementary School Thornton 2.0 mi 4.8
Tarver Elementary School Thornton 2.2 mi 6.0
Arapahoe Ridge Elementary School Westminster 2.3 mi 3.9
Mountain Range High School Westminster 2.6 mi 5.0
EASTLAKE MONTESSORI SCHOOL Thornton 2.6 mi
Pathways Future Center Thornton 2.7 mi 4.8
Silver Hills Middle School Northglenn 2.7 mi 5.5
HOPE MONTESSORI ACADEMY Thornton 3.0 mi
FRASSATI CATHOLIC ACADEMY Thornton 2.6 mi 6.9
Meridian Elementary School Broomfield 2.4 mi 6.8
Legacy High School Broomfield 2.5 mi 7.3
Westlake Middle School Broomfield 2.6 mi 5.8
SUMMIT CLASSICAL ACADEMY Broomfield 2.6 mi 5.0

Neighborhood Census ACS (2019-2023)

Census data for ZIP 80023 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$159,970

Median Home Value

$820,900

Median Rent

$2,073/mo

Population

26,466

College Educated

67.6%

Homeownership

76%

Avg Commute

29.7 min

Poverty Rate

3%

Median Age

40.4

Community Profile

The community surrounding Stargate Charter School has a median household income of $159,970. It is a well-educated community where 68% of adults hold a bachelor's degree or higher. The median home value in the area is $820,900, with a median rent of $2,073/month. The local poverty rate of 3.0% is relatively low. The average commute for residents is 30 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Banning Lewis Ranch Academy Colorado Springs, CO 6.1
COLORADO ACADEMY Denver, CO 6.5
Lotus School for Excellence Aurora, CO 5.4
Thomas MacLaren State Charter School Colorado Springs, CO 7.2
Liberty Common Charter School Fort Collins, CO 5.3
Prospect Ridge Academy Broomfield, CO 5.3

Frequently Asked Questions

Common questions about Stargate Charter School

What grades does Stargate Charter School serve?

Stargate Charter School serves students in grades Kindergarten through 12th.

How many students attend Stargate Charter School?

Stargate Charter School has an enrollment of approximately 1,572 students.

What is the student-teacher ratio at Stargate Charter School?

The student-teacher ratio at Stargate Charter School is 19.6:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Stargate Charter School rank in CO?

Stargate Charter School is ranked #949 out of 1,815 schools in CO.

What is Stargate Charter School's MySchoolScout rating?

Stargate Charter School has a composite rating of 6.3 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

What are the test scores at Stargate Charter School?

Based on the most recent state assessment data, Stargate Charter School has 77.5% math proficiency and 78.4% reading/ELA proficiency.

Is Stargate Charter School a charter school?

Yes, Stargate Charter School is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.

Is Stargate Charter School a Title I school?

No, Stargate Charter School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Stargate Charter School?

9.9% of students at Stargate Charter School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

Walk Score
34 Car-Dependent
Transit Score
0 Minimal Transit
Bike Score
46 Somewhat Bikeable
City Safety
High (3,129/100K)

Powered by Walk Score

FBI UCR 2024. City-level (Thornton). Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
Kindergarten – 12th
Enrollment
1,572
Student-Teacher Ratio
19.6:1
Teachers (FTE)
80
Free/Reduced Lunch
9.9%
Type
regular
Setting
Fringe Rural
County
Adams County
Data Year
2023–2024

District

Adams 12 Five Star Schools
District Enrollment
34,998
Schools in District
54
Per-Pupil Spending
$14,748
District Rank
#19 of 53

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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