Enrollment
191
Montana · 2024-25 NCES data
Elementary school (grades K-5) · Corvallis, MT
Edna Thomas School
Federal NCES profile for Edna Thomas 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 300741000214
👥 S:T ratio 41
🌟 Gifted program 70
🎓 Counselors 81
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Edna Thomas School earns 48/100 on the Resource Investment Index, with class sizes larger than 74% of Montana schools.
- #2 of 4
- public schools in Corvallis · Resource Index
- 48
- Resource Index · Typical
- 14.7:1
- large classes for Montana
- 191
- students enrolled
Edna Thomas School has class sizes larger than 74% of Montana schools. Computed live against every Montana school reporting to NCES.
By Resource Investment Index, Edna Thomas School ranks #2 of 4 public schools in Corvallis, MT.
School address
District: Corvallis K-12 Schools · Montana
NCES ID 300741000214 Verify on NCES CCD record →
Teachers (FTE)
13.0
Federal CCD staff survey
Students per teacher
14.7:1
vs 11.8:1 Montana avg
+25% vs state
Student-teacher ratio in context
How Edna Thomas School compares with Montana and U.S. medians
What stands out at Edna Thomas School
Edna Thomas School is a mid-sized elementary school in Corvallis, Montana, enrolling 191 students.
Class loads run somewhat heavier than typical: 14.7:1 puts it in the larger third of Montana schools by student-teacher ratio.
Enrollment of 191 puts it in the larger third of Montana schools by headcount.
Its Resource Investment Index lands in the upper third of 826 scored Montana schools.
Its student body is predominantly White (86% of enrollment) (diversity index 25/100).
Counselor coverage is strong, about 96 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 41.4% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Corvallis K-12 Schools spends $11,701 per pupil, 39% below the Montana average, a leaner-resourced district than most.
Its district draws 24.0% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Corvallis K-12 Schools also operates Quentin Brown Primary K-4 (464 students) and Corvallis High School (406 students) alongside Edna Thomas 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 Edna Thomas School compares
Edna Thomas 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 | 14.7:1 | ▲ 25% | 11.8:1 | 15.7:1 |
| Enrollment | 191 | top 32% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.7:1
Leaner classes than 50% of US schools, a middle-of-the-pack class size.
191
Bigger than 19% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Staffing depth
14.7:1
students per teacher
- 25% above state mean
Top 74% in Montana - lower ratio than 26% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
41.4%
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
$11,701
per pupil, district-wide
- below Montana avg of $19,282
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors2.0 FTE
Per 96 students, the combined health-and-guidance staffing load for this school.
Discipline context
11
in-school suspensions + 4 out-of-school
Suspension rate: 5.8 per 100 students. Combined in-school and out-of-school rate: 7.9 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
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 85.9%
Hispanic or Latino 7.3%
Two or More 5.2%
Asian 1.0%
Native Hawaiian / Pacific Islander 0.5%
Largest group: White at 85.9% of enrollment.
Student-body diversity index 25.4/100
Simpson diversity index - at 25.4, Edna Thomas School is about as mixed as the Montana school average of 23.6.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Corvallis K-12 Schools, which includes Edna Thomas School.
$11,701
Per student
-39%
vs Montana
Avg $19,282
-29%
vs U.S.
Avg $16,593
Revenue mix
Local 29.3%
State 46.6%
Federal 24.0%
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 Edna Thomas School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Quentin Brown Primary K-4 | Larger | No free-lunch data | Similar S:T ratio |
| Corvallis High School | Larger | No free-lunch data | Similar S:T ratio |
| Corvallis 7-8 | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Edna Thomas School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 464
- Students per teacher
- 14.1:1
- Resource Index
- 43/100
- Enrollment
- 406
- Students per teacher
- 13.5:1
- Resource Index
- 34/100
- Enrollment
- 194
- Students per teacher
- 13.9:1
- Resource Index
- 49/100
Similar elementary schools statewide
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.
Similar enrollment (~191 students)
Similar student-teacher ratio (~14.7:1)
Next steps
Verify locally before acting on Edna Thomas School's federal record.
- Compare Edna Thomas School against another school. Compare schools
- Corvallis K-12 Schools'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 Edna Thomas School
How many students attend Edna Thomas School?
Edna Thomas School has 191 students enrolled. It is an elementary school in Corvallis, MT.
What is the student-teacher ratio at Edna Thomas School?
The student-teacher ratio at Edna Thomas School is 14.7:1, which is 25% higher than the Montana average of 11.8:1 and 6% lower than the national average of 15.7:1.
What is the racial and ethnic makeup of Edna Thomas School?
The largest demographic group at Edna Thomas School is White at 85.9% of enrollment, in Corvallis, MT.
What is the Resource Investment Index for Edna Thomas School?
Edna Thomas 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 Edna Thomas School rank among public schools in Corvallis?
By Resource Investment Index, Edna Thomas School ranks #2 of 4 public schools in Corvallis, MT. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Corvallis on the city page.
Is Edna Thomas School a good school?
Edna Thomas School earns 48/100 on the Resource Investment Index, with class sizes larger than 74% of Montana 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.
What other schools are in Corvallis K-12 Schools?
Besides Edna Thomas School, Corvallis K-12 Schools also operates Quentin Brown Primary K-4 (464 students), Corvallis High School (406 students), and Corvallis 7-8 (194 students). See the Corvallis K-12 Schools 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.