Enrollment
209
Colorado · 2024-25 NCES data
Other / mixed grade configuration · Longmont, CO
Federal NCES profile for Sanborn Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 41/100.
The verdict
Sanborn Elementary School earns 41/100 on the Resource Investment Index, with class sizes smaller than 85% of Colorado schools.
Sanborn Elementary School has class sizes smaller than 85% of Colorado schools. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Sanborn Elementary School ranks #12 of 19 schools in Longmont, CO.
NCES ID 080537001396 Verify on NCES CCD record →
Enrollment
209
Colorado · 2024-25 NCES data
Teachers (FTE)
18.0
Federal CCD staff survey
Students per teacher
11.6:1
vs 16.6:1 Colorado avg
-30% vs state
Free-lunch eligible
51.7%
vs 38.5% Colorado avg
+34% vs state
How Sanborn Elementary School compares with Colorado and U.S. medians
Smaller classes than state median
11.6:1 - 5.0 below the Colorado state median of 16.6:1, indicating smaller average class loads than typical schools in the state.
Sanborn Elementary School is a higher-need, mid-sized combined-grade school in Longmont, Colorado, enrolling 209 students.
Classes run notably small here: at 11.6:1, Sanborn Elementary School is leaner than roughly 85% of Colorado schools and 30% under the state's 16.6:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat above the state's typical profile, with 51.7% of students eligible for free meals.
Enrollment of 209 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 147 statewide peers matched on enrollment and economic need, it ranks mid-pack at #103.
Its student body is led by White (50%) and Hispanic or Latino (45%) (diversity index 55/100).
Counselor access is stretched at roughly 418 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 31.1% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding St. Vrain Valley School District No. Re1j spends $12,559 per pupil, 23% below the Colorado average, a leaner-resourced district than most.
St. Vrain Valley School District No. Re1j also operates Erie High School (1,727 students) and Niwot High School (1,509 students) alongside Sanborn 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
Sanborn 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 | 11.6:1 | ▼ 30% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 51.7% | ▲ 34% | 38.5% | 51.7% |
| Enrollment | 209 | top 75% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: White at 50.2% of enrollment.
Simpson diversity index - at 54.9, Sanborn Elementary School is more mixed than the Colorado school average of 47.1.
District-wide per-pupil expenditure for St. Vrain Valley School District No. Re1j, which includes Sanborn Elementary School.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Erie High School | Larger | Lower economic need | Higher S:T ratio |
| Niwot High School | Larger | Lower economic need | Higher S:T ratio |
| Frederick Senior High School | Larger | Lower economic need | Higher S:T ratio |
| Longmont High School | Larger | Lower economic need | Higher S:T ratio |
| Soaring Heights Pk-8 | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Sanborn Elementary School's own figures; each column derives from NCES Common Core of Data.
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.
Next steps
Verify locally before acting on Sanborn Elementary School's federal record.
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.
Sanborn Elementary School has 209 students enrolled. It is a public school in Longmont, CO.
The student-teacher ratio at Sanborn Elementary School is 11.6:1, which is 30% lower than the Colorado average of 16.6:1 and 26% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
51.7% of students at Sanborn Elementary School are eligible for free lunch, compared to the Colorado average of 38.5%.
The largest demographic group at Sanborn Elementary School is White at 50.2% of enrollment, in Longmont, CO. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 54.9/100.
Sanborn Elementary School has a Resource Investment Index of 41/100 (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).
By Resource Investment Index, Sanborn Elementary School ranks #12 of 19 schools in Longmont, CO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Longmont on the city page.
Sanborn Elementary School earns 41/100 on the Resource Investment Index, with class sizes smaller than 85% of Colorado schools. 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.
Besides Sanborn Elementary School, St. Vrain Valley School District No. Re1j also operates Erie High School (1,727 students), Niwot High School (1,509 students), and Frederick Senior High School (1,491 students). See the St. Vrain Valley School District No. Re1j district page for the complete list.
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.
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PlainSchools, “Sanborn Elementary School, Longmont CO.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/sanborn-elementary-school-co
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