Enrollment
163
Colorado · 2024-25 NCES data
Elementary school (grades K-5) · Boulder, CO
Flatirons Elementary School
Federal NCES profile for Flatirons Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
2024-25 NCES dataElementary school (grades K-5)NCES 080249000115
👥 S:T ratio 41
🌟 Gifted program 70
🎓 Counselors 35
📋 Attendance 48
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Flatirons Elementary School earns 48/100 on the Resource Investment Index, with class sizes near the Colorado median.
- #3 of 10
- elementary schools in Boulder · Resource Index
- 48
- Resource Index · Typical
- 14.8:1
- students per teacher
- 11.0%
- free-lunch eligible
Flatirons Elementary School has class sizes near the Colorado median. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Flatirons Elementary School ranks #3 of 10 elementary schools in Boulder, CO.
School address
District: Boulder Valley School District No. Re2 · Colorado
NCES ID 080249000115 Verify on NCES CCD record →
Teachers (FTE)
11.0
Federal CCD staff survey
Students per teacher
14.8:1
vs 16.6:1 Colorado avg
-11% vs state
Free-lunch eligible
11.0%
vs 38.5% Colorado avg
-71% vs state
Student-teacher ratio in context
How Flatirons Elementary School compares with Colorado and U.S. medians
What stands out at Flatirons Elementary School
Flatirons Elementary School is a lower-poverty, mid-sized elementary school in Boulder, Colorado, enrolling 163 students.
Class sizes run a bit leaner than typical: 14.8:1 puts it in the smaller third of Colorado schools by student-teacher ratio.
Comparatively few students face economic hardship here, 11.0% free-meal eligibility runs 71% below the Colorado average.
Enrollment of 163 puts it in the smaller third of Colorado schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 1,922 scored Colorado schools.
Against 56 statewide peers matched on enrollment and economic need, it ranks mid-pack at #33.
Its student body is led by White (77%) and Hispanic or Latino (11%) (diversity index 38/100).
Counselor availability sits well past the ASCA benchmark, roughly 326 students sharing each counselor, though short of the most stretched campuses.
Attendance runs somewhat below the norm, with 20.9% of students chronically absent per the 2021-22 civil-rights collection.
Boulder Valley School District No. Re2 also operates Boulder High School (1,939 students) and Fairview High School (1,863 students) alongside Flatirons Elementary School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Flatirons Elementary School compares
Flatirons Elementary School on the metrics families compare, against Colorado and U.S. means.
| Metric | This school | vs Colorado | Colorado avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14.8:1 | ▼ 11% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 11.0% | ▼ 71% | 38.5% | 51.7% |
| Enrollment | 163 | top 80% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.8:1
Leaner classes than 49% of US schools, a middle-of-the-pack class size.
163
Bigger than 16% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
11.0%
free-lunch eligible
- 71% below the Colorado average of 38.5%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
14.8:1
students per teacher
- 11% below state mean
Top 39% in Colorado - lower ratio than 61% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
20.9%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$15,316
per pupil, district-wide
- below Colorado avg of $16,273
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors0.5 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 77.2%
Hispanic or Latino 11.1%
Two or More 9.9%
Asian 1.2%
African American 0.6%
Largest group: White at 77.2% of enrollment.
Student-body diversity index 38.2/100
Simpson diversity index - at 38.2, Flatirons Elementary School is less mixed than the Colorado school average of 47.1.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Boulder Valley School District No. Re2, which includes Flatirons Elementary School.
$15,316
Per student
-6%
vs Colorado
Avg $16,273
-8%
vs U.S.
Avg $16,593
Revenue mix
Local 80.6%
State 13.3%
Federal 6.1%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Flatirons Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Boulder High School | Larger | Higher economic need | Higher S:T ratio |
| Fairview High School | Larger | Similar economic need | Higher S:T ratio |
| Broomfield High School | Larger | Similar economic need | Higher S:T ratio |
| Centaurus High School | Larger | Higher economic need | Higher S:T ratio |
| Peak to Peak Charter School | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Flatirons Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,939
- Students per teacher
- 19:1
- Resource Index
- 34/100
- Enrollment
- 1,863
- Students per teacher
- 21.4:1
- Resource Index
- 46/100
- Enrollment
- 1,693
- Students per teacher
- 21.4:1
- Resource Index
- 38/100
- Enrollment
- 1,557
- Students per teacher
- 19.2:1
- Resource Index
- 30/100
- Enrollment
- 1,447
- Students per teacher
- 19.3:1
- Resource Index
- 54/100
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of Colorado, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~163 students)
Next steps
Verify locally before acting on Flatirons Elementary School's federal record.
- Compare Flatirons Elementary School against another school. Compare schools
- Boulder Valley School District No. Re2's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Flatirons Elementary School
How many students attend Flatirons Elementary School?
Flatirons Elementary School has 163 students enrolled. It is an elementary school in Boulder, CO.
What is the student-teacher ratio at Flatirons Elementary School?
The student-teacher ratio at Flatirons Elementary School is 14.8:1, which is 11% lower than the Colorado average of 16.6:1 and 6% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Flatirons Elementary School?
11.0% of students at Flatirons Elementary School are eligible for free lunch, compared to the Colorado average of 38.5%.
What is the racial and ethnic makeup of Flatirons Elementary School?
The largest demographic group at Flatirons Elementary School is White at 77.2% of enrollment, in Boulder, CO.
What is the Resource Investment Index for Flatirons Elementary School?
Flatirons Elementary School has a Resource Investment Index of 48/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Flatirons Elementary School rank among elementary schools in Boulder?
By Resource Investment Index, Flatirons Elementary School ranks #3 of 10 elementary schools in Boulder, CO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Boulder on the city page.
Is Flatirons Elementary School a good school?
Flatirons Elementary School earns 48/100 on the Resource Investment Index, with class sizes near the Colorado median. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Boulder Valley School District No. Re2?
Besides Flatirons Elementary School, Boulder Valley School District No. Re2 also operates Boulder High School (1,939 students), Fairview High School (1,863 students), and Broomfield High School (1,693 students). See the Boulder Valley School District No. Re2 district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.