Enrollment
297
South Dakota · 2024-25 NCES data
High school (grades 9-12) · Colton, SD
Tri-Valley High School - 01
Federal NCES profile for Tri-Valley High School - 01, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 29/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 464494000405
👥 S:T ratio 38
📚 AP courses 10
🌟 Gifted program 30
🎓 Counselors 0
📋 Attendance 66
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Tri-Valley High School - 01 earns 29/100 on the Resource Investment Index, with class sizes larger than 74% of South Dakota schools.
- #3 of 3
- public schools in Colton · Resource Index
- 29
- Resource Index · Lower
- 15.6:1
- large classes for South Dakota
- 7.2%
- free-lunch eligible
Tri-Valley High School - 01 has class sizes larger than 74% of South Dakota schools. Computed live against every South Dakota school reporting to NCES.
By Resource Investment Index, Tri-Valley High School - 01 ranks #3 of 3 public schools in Colton, SD.
School address
District: Tri-Valley School District 49-6 · South Dakota
NCES ID 464494000405 Verify on NCES CCD record →
Teachers (FTE)
19.0
Federal CCD staff survey
Students per teacher
15.6:1
vs 13.6:1 South Dakota avg
+15% vs state
Free-lunch eligible
7.2%
vs 28.8% South Dakota avg
-75% vs state
Student-teacher ratio in context
How Tri-Valley High School - 01 compares with South Dakota and U.S. medians
What stands out at Tri-Valley High School - 01
Tri-Valley High School - 01 is a lower-poverty, mid-sized high school in Colton, South Dakota, enrolling 297 students.
Class loads run somewhat heavier than typical: 15.6:1 puts it in the larger third of South Dakota schools by student-teacher ratio.
Comparatively few students face economic hardship here, 7.2% free-meal eligibility runs 75% below the South Dakota average.
Enrollment of 297 puts it in the larger third of South Dakota schools by headcount.
Its Resource Investment Index lands in the lower third of 691 scored South Dakota schools.
Among 76 similarly sized, similarly resourced-need South Dakota schools statewide, it ranks #68, in the lower tier once campus size and economic need are matched.
Its student body is predominantly White (89% of enrollment) (diversity index 21/100).
No Advanced Placement courses are reported for this campus in the federal data.
Counselor access is stretched at roughly 594 students per counselor, well above the ASCA-recommended 250:1 ceiling.
13.5% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Tri-Valley School District 49-6 also operates Tri-Valley Intermediate School - 03 (296 students) and Tri-Valley Elementary - 02 (154 students) alongside Tri-Valley High School - 01.
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 Tri-Valley High School - 01 compares
Tri-Valley High School - 01 on the metrics families compare, against South Dakota and U.S. means.
| Metric | This school | vs South Dakota | South Dakota avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 15.6:1 | ▲ 15% | 13.6:1 | 15.7:1 |
| Free-lunch eligible | 7.2% | ▼ 75% | 28.8% | 51.7% |
| Enrollment | 297 | top 23% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.6:1
Leaner classes than 41% of US schools, a middle-of-the-pack class size.
297
Bigger than 32% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
7.2%
free-lunch eligible
- 75% below the South Dakota average of 28.8%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
15.6:1
students per teacher
- 15% above state mean
Top 74% in South Dakota - lower ratio than 26% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
13.5%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$11,057
per pupil, district-wide
- below South Dakota avg of $13,477
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors0.5 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
11
in-school suspensions + 6 out-of-school
Suspension rate: 3.7 per 100 students. Combined in-school and out-of-school rate: 5.7 per 100 students. Reported via the Civil Rights Data Collection.
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 88.6%
Hispanic or Latino 5.1%
African American 4.4%
Two or More 1.3%
American Indian / Alaska Native 0.7%
Largest group: White at 88.6% of enrollment.
Student-body diversity index 21.0/100
Simpson diversity index - at 21.0, Tri-Valley High School - 01 is less mixed than the South Dakota school average of 27.6.
Programs
AP program Not offered
Funding & spending
District-wide per-pupil expenditure for Tri-Valley School District 49-6, which includes Tri-Valley High School - 01.
$11,057
Per student
-18%
vs South Dakota
Avg $13,477
-33%
vs U.S.
Avg $16,593
Revenue mix
Local 58.9%
State 29.6%
Federal 11.5%
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 Tri-Valley High School - 01 Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Tri-Valley Intermediate School - 03 | Similar size | Similar economic need | Similar S:T ratio |
| Tri-Valley Elementary - 02 | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Tri-Valley High School - 01's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 296
- Students per teacher
- 14.8:1
- Resource Index
- 38/100
- Enrollment
- 154
- Students per teacher
- 5.5:1
- Resource Index
- 67/100
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of South Dakota, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~297 students)
Next steps
Verify locally before acting on Tri-Valley High School - 01's federal record.
- Compare Tri-Valley High School - 01 against another school. Compare schools
- Tri-Valley School District 49-6'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 Tri-Valley High School - 01
How many students attend Tri-Valley High School - 01?
Tri-Valley High School - 01 has 297 students enrolled. It is a high school in Colton, SD.
What is the student-teacher ratio at Tri-Valley High School - 01?
The student-teacher ratio at Tri-Valley High School - 01 is 15.6:1, which is 15% higher than the South Dakota average of 13.6:1 and 1% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Tri-Valley High School - 01?
7.2% of students at Tri-Valley High School - 01 are eligible for free lunch, compared to the South Dakota average of 28.8%.
What is the racial and ethnic makeup of Tri-Valley High School - 01?
The largest demographic group at Tri-Valley High School - 01 is White at 88.6% of enrollment, in Colton, SD.
What is the Resource Investment Index for Tri-Valley High School - 01?
Tri-Valley High School - 01 has a Resource Investment Index of 29/100 (lower reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Tri-Valley High School - 01 rank among public schools in Colton?
By Resource Investment Index, Tri-Valley High School - 01 ranks #3 of 3 public schools in Colton, SD. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Colton on the city page.
Is Tri-Valley High School - 01 a good school?
Tri-Valley High School - 01 earns 29/100 on the Resource Investment Index, with class sizes larger than 74% of South Dakota 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 Tri-Valley School District 49-6?
Besides Tri-Valley High School - 01, Tri-Valley School District 49-6 also operates Tri-Valley Intermediate School - 03 (296 students) and Tri-Valley Elementary - 02 (154 students). See the Tri-Valley School District 49-6 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.