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
0/100100/10048/100
👥 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.

CCD year-over-year · 2022-23 → 2023-24

-18 students YoY

Flatirons Elementary School shrank from 182 students in 2022-23 to 164 in 2023-24 (-9.9%).

Teacher FTE lost 11.0 → 9.5 across the same CCD years.

Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).

Shrinking CCD campus

-18 students YoY 080249000115 · Boulder, CO Elementary · SMALL · TRAD

163 enr · 14.8:1 · 11.0% lunch · RII 48

Nearest enrollment peer: Boulder High School (1,939 students)

Flatirons Elementary School shrank from 182 students in 2022-23 to 164 in 2023-24 (-9.9%). Teacher FTE lost 11.0 → 9.5 across the same CCD years. Read with this school → · District book → · Colorado schools → · Find another →

Flatirons Elementary School in the enrollment neighbourhood

Fall enrollment among this campus and nearest district peers

students

What this shows Flatirons Elementary School reports 163 students on the CCD universe file.

Source U.S. Department of Education, NCES Common Core of Data (Public School Universe) As of 2024-25

How Flatirons Elementary School compares

Flatirons Elementary School is a shrinking campus on CCD: ratios and free-lunch share vs 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 methodology

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
$17,172
per pupil, district-wide - below Colorado avg of $17,910
Close to the U.S. public-school average per-pupil spend.
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.

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

District finance for Boulder Valley School District No. Re2 reports $17,172 per pupil (NCES F-33) - open the district page for the full revenue mix.

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

Boulder Valley School District No. Re2 · 5 sibling schools

View district profile

Nationwide elementary schools with similar size or staffing

Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.

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. CCD year-over-year: 182 (2022-23) → 164 (2023-24), down 18.

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, gifted-program reporting, counselor availability, chronic absenteeism. 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.

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.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2022-23) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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