Enrollment
432
Colorado · 2024-25 NCES data
Other / mixed grade configuration · Grand Junction, CO
Federal NCES profile for Thunder Mountain Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 19/100.
The verdict
Thunder Mountain Elementary School earns 19/100 on the Resource Investment Index, with class sizes near the Colorado median.
Thunder Mountain Elementary School has class sizes near the Colorado median. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Thunder Mountain Elementary School ranks #21 of 21 schools in Grand Junction, CO.
NCES ID 080435001346 Verify on NCES CCD record →
Enrollment
432
Colorado · 2024-25 NCES data
Teachers (FTE)
28.0
Federal CCD staff survey
Students per teacher
15.4:1
vs 16.6:1 Colorado avg
-7% vs state
Free-lunch eligible
42.9%
vs 38.5% Colorado avg
+11% vs state
How Thunder Mountain Elementary School compares with Colorado and U.S. medians
At or below state median
15.4:1 - 1.2 below the Colorado state median of 16.6:1, indicating smaller average class loads than typical schools in the state.
Thunder Mountain Elementary School is a mid-sized combined-grade school in Grand Junction, Colorado, enrolling 432 students.
At 15.4:1, its student-teacher ratio sits close to the Colorado median, within a few percentage points of the 16.6:1 state norm, neither notably crowded nor notably small.
Economic need runs somewhat above the state's typical profile, with 42.9% of students eligible for free meals.
With 432 students, its enrollment sits close to the Colorado median campus size.
Its Resource Investment Index trails 98% of the 1,922 Colorado schools with a score on record, one of the lower results on this measure.
Among 310 similarly sized, similarly resourced-need Colorado schools statewide, it ranks #310, in the lower tier once campus size and economic need are matched.
Its student body is led by White (65%) and Hispanic or Latino (29%) (diversity index 50/100).
Counselor access is stretched at roughly 455 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 41.9% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Mesa County Valley School District No. 51 spends $11,650 per pupil, 28% below the Colorado average, a leaner-resourced district than most.
Mesa County Valley School District No. 51 also operates Grand Junction High School (1,832 students) and Fruita Monument High School (1,427 students) alongside Thunder Mountain 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
Thunder Mountain 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 | 15.4:1 | ▼ 7% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 42.9% | ▲ 11% | 38.5% | 51.7% |
| Enrollment | 432 | top 38% | - | - |
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 64.6% of enrollment.
Simpson diversity index - at 50.0, Thunder Mountain Elementary School is more mixed than the Colorado school average of 47.1.
District-wide per-pupil expenditure for Mesa County Valley School District No. 51, which includes Thunder Mountain 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 |
|---|---|---|---|
| Grand Junction High School | Larger | Lower economic need | Higher S:T ratio |
| Fruita Monument High School | Larger | Lower economic need | Higher S:T ratio |
| Central High School | Larger | Similar economic need | Similar S:T ratio |
| Palisade High School | Larger | Similar economic need | Higher S:T ratio |
| Fruita 8/9 School | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Thunder Mountain 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 Thunder Mountain 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.
Thunder Mountain Elementary School has 432 students enrolled. It is a public school in Grand Junction, CO.
The student-teacher ratio at Thunder Mountain Elementary School is 15.4:1, which is 7% lower than the Colorado average of 16.6:1 and 2% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
42.9% of students at Thunder Mountain Elementary School are eligible for free lunch, compared to the Colorado average of 38.5%.
The largest demographic group at Thunder Mountain Elementary School is White at 64.6% of enrollment, in Grand Junction, CO. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 50.0/100.
Thunder Mountain Elementary School has a Resource Investment Index of 19/100 (lower 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, Thunder Mountain Elementary School ranks #21 of 21 schools in Grand Junction, CO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Grand Junction on the city page.
Thunder Mountain Elementary School earns 19/100 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.
Besides Thunder Mountain Elementary School, Mesa County Valley School District No. 51 also operates Grand Junction High School (1,832 students), Fruita Monument High School (1,427 students), and Central High School (1,352 students). See the Mesa County Valley School District No. 51 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, “Thunder Mountain Elementary School, Grand Junction 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/thunder-mountain-elementary-school-co
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