Enrollment
106
Idaho · 2024-25 NCES data
High school (grades 9-12) · Lewiston, ID
Tammany High School
Federal NCES profile for Tammany High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 40/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 160186000711
👥 S:T ratio 40
📚 AP courses 10
🌟 Gifted program 30
🎓 Counselors 79
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Tammany High School earns 40/100 on the Resource Investment Index, with class sizes near the Idaho median.
- #9 of 12
- public schools in Lewiston · Resource Index
- 40
- Resource Index · Typical
- 15.1:1
- students per teacher
- 27.7%
- free-lunch eligible
Tammany High School has class sizes near the Idaho median. Computed live against every Idaho school reporting to NCES.
By Resource Investment Index, Tammany High School ranks #9 of 12 public schools in Lewiston, ID.
School address
District: Lewiston Independent District · Idaho
NCES ID 160186000711 Verify on NCES CCD record →
Teachers (FTE)
7.0
Federal CCD staff survey
Students per teacher
15.1:1
vs 17.1:1 Idaho avg
-12% vs state
Free-lunch eligible
27.7%
vs 29.3% Idaho avg
-5% vs state
Student-teacher ratio in context
How Tammany High School compares with Idaho and U.S. medians
What stands out at Tammany High School
Tammany High School is a mid-sized high school in Lewiston, Idaho, enrolling 106 students.
Class sizes run a bit leaner than typical: 15.1:1 puts it in the smaller third of Idaho schools by student-teacher ratio.
Its free-meal eligibility rate of 27.7% lands close to the Idaho typical range, neither a high- nor low-need campus by this measure.
Enrollment of 106 puts it in the smaller third of Idaho schools by headcount.
Its Resource Investment Index lands in the upper third of 775 scored Idaho schools.
Against 63 statewide peers matched on enrollment and economic need, it ranks mid-pack at #31.
Its student body is predominantly White (82% of enrollment) (diversity index 31/100).
No Advanced Placement courses are reported for this campus in the federal data.
Counselor coverage is strong, about 106 students per counselor, inside the American School Counselor Association's recommended 250:1.
The federal civil-rights collection also records 2 expulsions at this campus for 2021-22.
Lewiston Independent District also operates Lewiston High School (1,288 students) and Jenifer Middle School (561 students) alongside Tammany 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 Tammany High School compares
Tammany 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 | 15.1:1 | ▼ 12% | 17.1:1 | 15.7:1 |
| Free-lunch eligible | 27.7% | ▼ 5% | 29.3% | 51.7% |
| Enrollment | 106 | top 84% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.1:1
Leaner classes than 46% of US schools, a middle-of-the-pack class size.
106
Bigger than 11% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
27.7%
free-lunch eligible
- 5% 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
15.1:1
students per teacher
- 12% below state mean
Top 33% in Idaho - lower ratio than 67% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Funding equity
$11,104
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 106 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 17 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 16.0 per 100 students. Reported via the Civil Rights Data Collection. Includes 2 expulsions.
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 82.1%
Hispanic or Latino 8.5%
Two or More 6.6%
American Indian / Alaska Native 2.8%
Largest group: White at 82.1% of enrollment.
Student-body diversity index 31.4/100
Simpson diversity index - at 31.4, Tammany High School is less mixed than the Idaho school average of 36.3.
Programs
AP program Not offered
Funding & spending
District-wide per-pupil expenditure for Lewiston Independent District, which includes Tammany High School.
$11,104
Per student
-7%
vs Idaho
Avg $11,939
-33%
vs U.S.
Avg $16,593
Revenue mix
Local 43.7%
State 44.3%
Federal 12.0%
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 Tammany High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Lewiston High School | Larger | Lower economic need | Higher S:T ratio |
| Jenifer Middle School | Larger | Similar economic need | Similar S:T ratio |
| Sacajawea Middle School | Larger | Lower economic need | Similar S:T ratio |
| Centennial Elementary School | Larger | Similar economic need | Similar S:T ratio |
| Whitman Elementary School | Larger | Similar economic need | Similar S:T ratio |
Comparisons are relative to Tammany High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,288
- Students per teacher
- 17.4:1
- Resource Index
- 50/100
- Enrollment
- 561
- Students per teacher
- 16:1
- Resource Index
- 50/100
- Enrollment
- 547
- Students per teacher
- 15.2:1
- Resource Index
- 52/100
- Enrollment
- 358
- Students per teacher
- 16.3:1
- Resource Index
- 44/100
- Enrollment
- 332
- Students per teacher
- 14.4:1
- Resource Index
- 49/100
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 (~106 students)
Similar student-teacher ratio (~15.1:1)
Next steps
Verify locally before acting on Tammany High School's federal record.
- Compare Tammany High School against another school. Compare schools
- Lewiston Independent 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 Tammany High School
How many students attend Tammany High School?
Tammany High School has 106 students enrolled. It is a high school in Lewiston, ID.
What is the student-teacher ratio at Tammany High School?
The student-teacher ratio at Tammany High School is 15.1:1, which is 12% lower than the Idaho average of 17.1:1 and 4% lower 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 Tammany High School?
27.7% of students at Tammany High School are eligible for free lunch, compared to the Idaho average of 29.3%.
What is the racial and ethnic makeup of Tammany High School?
The largest demographic group at Tammany High School is White at 82.1% of enrollment, in Lewiston, ID.
What is the Resource Investment Index for Tammany High School?
Tammany High School has a Resource Investment Index of 40/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Tammany High School rank among public schools in Lewiston?
By Resource Investment Index, Tammany High School ranks #9 of 12 public schools in Lewiston, 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 Lewiston on the city page.
Is Tammany High School a good school?
Tammany High School earns 40/100 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 Lewiston Independent District?
Besides Tammany High School, Lewiston Independent District also operates Lewiston High School (1,288 students), Jenifer Middle School (561 students), and Sacajawea Middle School (547 students). See the Lewiston Independent 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.