Enrollment
429
Montana · 2024-25 NCES data
Other / mixed grade configuration · Missoula, MT
Federal NCES profile for Lewis & Clark School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 39/100.
The verdict
Lewis & Clark School earns 39/100 on the Resource Investment Index, with class sizes near the Montana median.
Lewis & Clark School has class sizes near the Montana median. Computed live against every Montana school reporting to NCES.
By Resource Investment Index, Lewis & Clark School ranks #10 of 12 schools in Missoula, MT.
NCES ID 301857000572 Verify on NCES CCD record →
Enrollment
429
Montana · 2024-25 NCES data
Teachers (FTE)
31.0
Federal CCD staff survey
Students per teacher
13.8:1
vs 11.8:1 Montana avg
+17% vs state
How Lewis & Clark School compares with Montana and U.S. medians
Slightly above state median
13.8:1 - 2.0 above the Montana state median of 11.8:1, indicating larger average class loads than typical schools in the state.
Lewis & Clark School is a large combined-grade school in Missoula, Montana, enrolling 429 students.
Class loads run somewhat heavier than typical: 13.8:1 puts it in the larger third of Montana schools by student-teacher ratio.
By headcount it is one of the larger campuses in Montana, bigger than 90% of state schools at 429 students.
Its Resource Investment Index sits near the middle of the pack among 826 scored Montana schools.
Its student body is predominantly White (84% of enrollment) (diversity index 29/100).
Counselor availability sits well past the ASCA benchmark, roughly 358 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 34.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Missoula Elem spends $12,776 per pupil, 34% below the Montana average, a leaner-resourced district than most.
Its district draws 18.2% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Missoula's public schools, it stands alongside Jeannette Rankin El (457 students): Lewis & Clark School is smaller than that campus by headcount and runs leaner classes (13.8:1 vs 16.3:1).
Missoula Elem also operates Washington Middle School (669 students) and Porter Middle School (579 students) alongside Lewis & Clark 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
Lewis & Clark School on the metrics families compare, against Montana and U.S. means.
| Metric | This school | vs Montana | Montana avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.8:1 | ▲ 17% | 11.8:1 | 15.7:1 |
| Enrollment | 429 | top 10% | - | - |
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 84.1% of enrollment.
Simpson diversity index - at 28.6, Lewis & Clark School is more mixed than the Montana school average of 23.6.
District-wide per-pupil expenditure for Missoula Elem, which includes Lewis & Clark 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 |
|---|---|---|---|
| Washington Middle School | Larger | No free-lunch data | Higher S:T ratio |
| Porter Middle School | Larger | No free-lunch data | Similar S:T ratio |
| Jeannette Rankin El | Similar size | No free-lunch data | Higher S:T ratio |
| Hawthorne School | Similar size | No free-lunch data | Similar S:T ratio |
| Paxson School | Similar size | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Lewis & Clark School's own figures; each column derives from NCES Common Core of Data.
6 comparable other schools (grades Mixed) serving the same city.
Matched by enrollment size and by staffing ratio across all of Montana, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Lewis & Clark 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.
Lewis & Clark School has 429 students enrolled. It is a public school in Missoula, MT.
The student-teacher ratio at Lewis & Clark School is 13.8:1, which is 17% higher than the Montana average of 11.8:1 and 12% lower than the national average of 15.7:1.
The largest demographic group at Lewis & Clark School is White at 84.1% of enrollment, in Missoula, MT.
Lewis & Clark School has a Resource Investment Index of 39/100 (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, Lewis & Clark School ranks #10 of 12 schools in Missoula, MT. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Missoula on the city page.
Lewis & Clark School earns 39/100 on the Resource Investment Index, with class sizes near the Montana 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 Lewis & Clark School, Missoula Elem also operates Washington Middle School (669 students), Porter Middle School (579 students), and Jeannette Rankin El (457 students). See the Missoula Elem 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, “Lewis & Clark School, Missoula MT.” 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/lewis-clark-school-mt-3
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