Serving 297 students in grades 9-12, Tri-valley High School - 01 ranks in the top 30% of all schools in South Dakota for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 40-49% (which is approximately equal to the South Dakota state average of 42%). The percentage of students achieving proficiency in reading/language arts is 80-84% (which is higher than the South Dakota state average of 51%).
The student-teacher ratio of 15:1 is higher than the South Dakota state level of 12:1.
Minority enrollment is 11% of the student body (majority Hispanic and Black), which is lower than the South Dakota state average of 34% (majority American Indian).
Quick Facts (26-27)
- Grades: 9-12
- Enrollment: 297 students
- Student-Teacher Ratio: 15:1
- Minority Enrollment: 11%
- Graduation Rate: 90-94% (Top 5% in SD)
- Overall Testing Rank: Top 30%
- Math Proficiency: 40-49% (Btm 50%)
- Reading Proficiency: 80-84% (Top 5%)
- Science Proficiency: 65-69% (Top 5%)
- Attendance Zone: Tri-Valley High School's attendance zone covers the entire district in Colton, SD, encompassing approximately 147.5 square miles. Most students typically drive 10-15 minutes to reach the school, with the furthest edge of the zone located about 12.2 miles away.
- Source: National Center for Education Statistics (NCES), SD Dept. of Education
Top Rankings
Tri-valley High School - 01 ranks among the top 20% of public schools in South Dakota for:
Category
Attribute
Most improved public schools
Reading/Language Arts Proficiency
Science Proficiency
Graduation Rate
School Overview
Tri-valley High School - 01's student population of 297 students has stayed relatively flat over five school years.
The teacher population of 20 teachers has grown by 5% over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
297 students
Showing 2016–2025. Full 39-year historical data available below ↓
Total Classroom Teachers
20 teachers
Showing 2016–2025. Full 39-year historical data available below ↓
School Calendar
School Rankings
Tri-valley High School - 01 ranks within the top 30% of all 619 schools in South Dakota (based off of combined math and reading proficiency testing data).
The diversity score of Tri-valley High School - 01 is 0.21, which is less than the diversity score at state average of 0.53. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#146 out of 619 schools
(Top 30%)
(Top 30%)
Showing 2012–2023. Full 14-year historical data available below ↓
Math Test Scores (% Proficient)
40-49%
42%
Showing 2012–2023. Full 14-year historical data available below ↓
Reading/Language Arts Test Scores (% Proficient)
80-84%
51%
Showing 2011–2022. Full 13-year historical data available below ↓
Science Test Scores (% Proficient)
65-69%
42%
Student-Teacher Ratio
15:1
12:1
Showing 2016–2025. Full 39-year historical data available below ↓
American Indian
1%
14%
Showing 2009–2025. Full 32-year historical data available below ↓
Hispanic
5%
9%
Showing 2016–2025. Full 26-year historical data available below ↓
Black
4%
3%
Showing 2016–2025. Full 20-year historical data available below ↓
White
89%
66%
Showing 2016–2025. Full 33-year historical data available below ↓
Two or more races
1%
6%
Showing 2015–2025. Full 13-year historical data available below ↓
All Ethnic Groups
Showing 2016–2025. Full 33-year historical data available below ↓
Graduation Rate
90-94%
84%
Showing 2014–2023. Full 13-year historical data available below ↓
Chronically Absent Students
(22-23)7.7%
22.5%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
11%
34%
Showing 2016–2025. Full 31-year historical data available below ↓
Eligible for Reduced Lunch
3%
7%
Showing 2016–2025. Full 27-year historical data available below ↓
School Statewide Testing
School District Name
Sports
School Mascot
Mustangs
Source: National Center for Education Statistics (NCES), SD Dept. of Education
Frequently Asked Questions
What is Tri-valley High School - 01's ranking?
Tri-valley High School - 01 is ranked #146 out of 619 schools, which ranks it among the top 30% of public schools in South Dakota.
What schools are Tri-valley High School - 01 often compared to?
Tri-valley High School - 01is often viewed alongside schools like Lennox High School - 01, Dell Rapids High School - 01 by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
40-49% of students have achieved math proficiency (compared to the 42% SD state average), while 80-84% of students have achieved reading proficiency (compared to the 51% SD state average).
What is the graduation rate of Tri-valley High School - 01?
The graduation rate of Tri-valley High School - 01 is 90-94%, which is higher than the South Dakota state average of 84%.
How many students attend Tri-valley High School - 01?
297 students attend Tri-valley High School - 01.
What is the racial composition of the student body?
89% of Tri-valley High School - 01 students are White, 5% of students are Hispanic, 4% of students are Black, 1% of students are American Indian, and 1% of students are Two or more races.
What is the student-teacher ratio of Tri-valley High School - 01?
Tri-valley High School - 01 has a student ration of 15:1, which is higher than the South Dakota state average of 12:1.
What grades does Tri-valley High School - 01 offer ?
Tri-valley High School - 01 offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Tri-valley High School - 01 part of?
Tri-valley High School - 01 is part of Tri-Valley School District 49-6.
School Reviews
Review Tri-valley High School - 01. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles
How Much Choice Do High School Students Have?
Learn how graduation requirements, prerequisites, electives, staffing, scheduling conflicts, AP courses, dual enrollment, and career pathways determine how much control high school students have over schedules each year.
Does Your Child Need More Recess?
Explore whether your child may benefit more from recess than another academic period, including research on attention, learning, physical activity, stress, social development, and school-day balance today.
Combined Grade Classrooms, What Parents Should Know
Learn how combined-grade classrooms work, why public schools use them, potential benefits and challenges, and the questions parents should ask before enrolling their child in one today.
