Enrollment
282
Idaho · 2024-25 NCES data
High school (grades 9-12) · St Maries, ID
St Maries High School
Federal NCES profile for St Maries High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 33/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 160306000532
👥 S:T ratio 37
📚 AP courses 20
🌟 Gifted program 30
🎓 Counselors 44
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
St Maries High School earns 33/100 on the Resource Investment Index, with class sizes near the Idaho median.
- #3 of 4
- public schools in St Maries · Resource Index
- 33
- Resource Index · Typical
- 15.7:1
- students per teacher
- 22.8%
- free-lunch eligible
St Maries High School has class sizes near the Idaho median. Computed live against every Idaho school reporting to NCES.
By Resource Investment Index, St Maries High School ranks #3 of 4 public schools in St Maries, ID.
School address
District: St Maries Joint District · Idaho
NCES ID 160306000532 Verify on NCES CCD record →
Teachers (FTE)
18.0
Federal CCD staff survey
Students per teacher
15.7:1
vs 17.1:1 Idaho avg
-8% vs state
Free-lunch eligible
22.8%
vs 29.3% Idaho avg
-22% vs state
Student-teacher ratio in context
How St Maries High School compares with Idaho and U.S. medians
What stands out at St Maries High School
St Maries High School is a mid-sized high school in St Maries, Idaho, enrolling 282 students.
Class sizes run a bit leaner than typical: 15.7:1 puts it in the smaller third of Idaho schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 22.8% of students eligible for free meals.
With 282 students, its enrollment sits close to the Idaho median campus size.
Its Resource Investment Index sits near the middle of the pack among 775 scored Idaho schools.
Against 174 statewide peers matched on enrollment and economic need, it ranks mid-pack at #109.
Its student body is predominantly White (86% of enrollment) (diversity index 26/100).
On the academic-pipeline side it reports 4 Advanced Placement courses.
Counselor coverage runs a bit thin, about 282 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Its district draws 15.2% 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.
St Maries Joint District also operates Heyburn Elementary School (339 students) and St Maries Middle School (189 students) alongside St Maries High 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 St Maries High School compares
St Maries High School on the metrics families compare, against Idaho and U.S. means.
| Metric | This school | vs Idaho | Idaho avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 15.7:1 | ▼ 8% | 17.1:1 | 15.7:1 |
| Free-lunch eligible | 22.8% | ▼ 22% | 29.3% | 51.7% |
| Enrollment | 282 | top 58% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.7:1
Leaner classes than 41% of US schools, a middle-of-the-pack class size.
282
Bigger than 30% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
22.8%
free-lunch eligible
- 22% below the Idaho average of 29.3%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
15.7:1
students per teacher
- 8% below state mean
Top 39% in Idaho - lower ratio than 61% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Funding equity
$11,292
per pupil, district-wide
- below Idaho avg of $11,939
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 282 students, the combined health-and-guidance staffing load for this school.
Discipline context
1
in-school suspensions + 4 out-of-school
Suspension rate: 0.4 per 100 students. Combined in-school and out-of-school rate: 1.8 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 85.5%
Two or More 7.4%
Hispanic or Latino 4.6%
American Indian / Alaska Native 1.1%
African American 0.7%
Asian 0.7%
Largest group: White at 85.5% of enrollment.
Student-body diversity index 26.1/100
Simpson diversity index - at 26.1, St Maries High School is less mixed than the Idaho school average of 36.3.
Programs
AP courses offered 4
Funding & spending
District-wide per-pupil expenditure for St Maries Joint District, which includes St Maries High School.
$11,292
Per student
-5%
vs Idaho
Avg $11,939
-32%
vs U.S.
Avg $16,593
Revenue mix
Local 23.3%
State 61.6%
Federal 15.2%
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 St Maries High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Heyburn Elementary School | Similar size | Higher economic need | Similar S:T ratio |
| St Maries Middle School | Smaller | Similar economic need | Higher S:T ratio |
| Upriver Elementary School | Smaller | Higher economic need | Lower S:T ratio |
| St Maries Community Education Alternative | Smaller | No free-lunch data | Lower S:T ratio |
Comparisons are relative to St Maries High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 339
- Students per teacher
- 14.7:1
- Resource Index
- 36/100
- Enrollment
- 189
- Students per teacher
- 17.2:1
- Resource Index
- 41/100
- Enrollment
- 72
- Students per teacher
- 12:1
- Resource Index
- 41/100
- Enrollment
- 12
- Students per teacher
- 12:1
- Resource Index
- 41/100
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Idaho, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~282 students)
Similar student-teacher ratio (~15.7:1)
Next steps
Verify locally before acting on St Maries High School's federal record.
- Compare St Maries High School against another school. Compare schools
- St Maries Joint District'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 St Maries High School
How many students attend St Maries High School?
St Maries High School has 282 students enrolled. It is a high school in St Maries, ID.
What is the student-teacher ratio at St Maries High School?
The student-teacher ratio at St Maries High School is 15.7:1, which is 8% lower than the Idaho average of 17.1:1 and 0% higher 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 St Maries High School?
22.8% of students at St Maries High School are eligible for free lunch, compared to the Idaho average of 29.3%.
What is the racial and ethnic makeup of St Maries High School?
The largest demographic group at St Maries High School is White at 85.5% of enrollment, in St Maries, ID.
What is the Resource Investment Index for St Maries High School?
St Maries High School has a Resource Investment Index of 33/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
How does St Maries High School rank among public schools in St Maries?
By Resource Investment Index, St Maries High School ranks #3 of 4 public schools in St Maries, ID. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in St Maries on the city page.
Is St Maries High School a good school?
St Maries High School earns 33/100 on the Resource Investment Index, with class sizes near the Idaho 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.
What other schools are in St Maries Joint District?
Besides St Maries High School, St Maries Joint District also operates Heyburn Elementary School (339 students), St Maries Middle School (189 students), and Upriver Elementary School (72 students). See the St Maries Joint District 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.