Excellent
#109 of 1,815 schools in CO
Top 6% in state
Flagstone Elementary School
Elementary School · Douglas County School District No. Re 1
104 LOVINGTON STREET, Castle Rock, CO 80104
Enrollment
486
Student-Teacher
16.8:1
Score
8.5
Grades
Pre-K – 6th
Enrollment
486
Student-Teacher
16.8:1
Score
8.5
Grades
Pre-K – 6th
Updated
2022-23
Updated 2022-23
How this school compares
In Castle Rock
#2 of 22
public schools
Colorado elementary schools
#91 of 1,006
In district
#10 of 88
Douglas County School District No. Re 1
Academic growth
9.7 / 10
Exceptional
About Flagstone Elementary School
Flagstone Elementary School is a public elementary school in Castle Rock, CO, part of the Douglas County School District No. Re 1. The school serves approximately 486 students in grades Pre-K – 6th with a student-teacher ratio of 16.8:1.
It holds a MySchoolScout rating of 8.5/10, placing it in the 94th percentile among CO schools — an above average rating overall. Students demonstrate 55% proficiency in math, 16 points above the state average and 60% in reading/language arts, 15 points above the state average. The school scores particularly well in student growth (9.7/10).
Located in a neighborhood with a median household income of $131,359, where 54% of adults hold a bachelor's degree or higher. The school is situated in a small suburban setting.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
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Data not available for this school
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Flagstone Elementary School — Students at Flagstone Elementary School score 62% proficient, which is above what's typical for similar communities (expected: 53%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
18.9%
Students qualifying for federal meal assistance
Test Scores CO CMAS (2024-25)
Based on 15 test records from CO state assessments. About our data
Proficiency Trend
↑ ImprovingAverage proficiency (% at or above grade level) across Math & ELA over time.
* 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: 9.7/10.
How Flagstone Elementary School Compares
See how Flagstone Elementary School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has improved from 41% (2019) to 58.94% (2025). Reading/ELA proficiency has improved from 47% (2019) to 64.78% (2025).
Location
104 LOVINGTON STREET, Castle Rock, CO 80104
Nearby Alternatives
Families considering Flagstone Elementary School may also want to explore other elementary schools in the area. World Compass Academy (rated 8.5/10, 4.5 miles away), with a very similar rating. Another option is Franktown Elementary School (rated 8.4/10, 2.4 miles away, in nearby Franktown), with a very similar rating. Additionally, Northeast Elementary School (rated 8.4/10, 6.5 miles away, in nearby Parker), with a very similar rating. For more schools in Castle Rock, see our Castle Rock schools guide .
Nearby Schools
20 within 6.1 miNeighborhood Census ACS (2019-2023)
Census data for ZIP 80104 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$131,359
Median Home Value
$586,800
Median Rent
$1,816/mo
Population
36,461
College Educated
54.2%
Homeownership
80.2%
Avg Commute
29.8 min
Poverty Rate
4.2%
Median Age
37
Community Profile
The community surrounding Flagstone Elementary School has a median household income of $131,359. It is a well-educated community where 54% of adults hold a bachelor's degree or higher. The median home value in the area is $586,800, with a median rent of $1,816/month. The local poverty rate of 4.2% 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 |
|---|---|
| Bamford Elementary School Loveland, CO | 8.5 |
| Brown International Academy Denver, CO | 8.5 |
| Central Elementary School Longmont, CO | 8.5 |
| Copper Mesa Elementary School Highlands Ranch, CO | 8.5 |
| Cottonwood Creek Elementary School Englewood, CO | 8.5 |
| Creekside Elementary School Centennial, CO | 8.5 |
Frequently Asked Questions
Common questions about Flagstone Elementary School
What grades does Flagstone Elementary School serve?
Flagstone Elementary School serves students in grades Pre-K through 6th.
How many students attend Flagstone Elementary School?
Flagstone Elementary School has an enrollment of approximately 486 students.
What is the student-teacher ratio at Flagstone Elementary School?
The student-teacher ratio at Flagstone Elementary School is 16.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Flagstone Elementary School rank in CO?
Flagstone Elementary School is ranked #109 out of 1,815 schools in CO.
What is Flagstone Elementary School's MySchoolScout rating?
Flagstone Elementary School has a composite rating of 8.5 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 Flagstone Elementary School?
Based on the most recent state assessment data, Flagstone Elementary School has 54.5% math proficiency and 59.6% reading/ELA proficiency.
Is Flagstone Elementary School a charter school?
No, Flagstone Elementary School is not a charter school. It is a traditional public school operated by the local school district.
Is Flagstone Elementary School a Title I school?
No, Flagstone Elementary School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Flagstone Elementary School?
18.9% of students at Flagstone Elementary 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.
Neighborhood Context
Powered by 
FBI UCR 2024. City-level (Castle Rock). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Pre-K – 6th
- Enrollment
- 486
- Student-Teacher Ratio
- 16.8:1
- Teachers (FTE)
- 29
- Free/Reduced Lunch
- 18.9%
- Type
- regular
- Setting
- Small Suburb
- County
- Douglas County
- Phone
- (303) 387-5225
- Data Year
- 2023–2024
Resources & Links
District
Douglas County School District No. Re 1- District Enrollment
- 61,409
- Schools in District
- 89
- Per-Pupil Spending
- $12,942
- District Rank
- #10 of 88
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 methodologyRelated reading
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