Lone Rock Township’s public schools
Flandreau School District 50-3 and Colman-Egan School District 50-5 have no state test or graduation results we can use, so there is no Schools grade for Lone Rock Township. Each school below is shown with its own results.
Tests spring 2022, when 100% of students in South Dakota’s tested grades sat them, and the class of 2023’s graduation rate (U.S. Department of Education). How TownRatings grades schools
Lone Rock Township’s schools, in brief
School by school
0 of Lone Rock Township’s 5 district schools with test results score above the middle of South Dakota’s 548 public schools. Colman Elementary - 03 places highest (better than 45%); Flandreau Elementary - 04 lowest (5%). See the path ↓
Which school depends on your street
Three elementary schools serve Lone Rock Township, graded from D to B−, so it’s worth checking the specific school. Then two high schools: Flandreau High School - 01 and Colman-Egan High School - 01. See the path ↓
Written from the figures on this page. Tests are from 2021–22, graduation from the class of 2023; each school’s own letter uses 2020–21 results.
Where will my kid go?
Pick a grade. These are the public schools in Lone Rock Township, with each school’s own grade.
Pre-K in Lone Rock Township
Colman Elementary - 03
Grades PK–6 · 193 students · 14:1 students per teacher · in Colman
Kindergarten in Lone Rock Township · depends on your address
Flandreau Elementary - 04
Grades K–4 · 287 students · 12:1 students per teacher · in Flandreau
Colman Elementary - 03
Grades PK–6 · 193 students · 14:1 students per teacher · in Colman
Pleasant Valley Colony Elementary - 06
Grades K–8 · 34 students · 11:1 students per teacher · in Flandreau
1st grade in Lone Rock Township · depends on your address
Flandreau Elementary - 04
Grades K–4 · 287 students · 12:1 students per teacher · in Flandreau
Colman Elementary - 03
Grades PK–6 · 193 students · 14:1 students per teacher · in Colman
Pleasant Valley Colony Elementary - 06
Grades K–8 · 34 students · 11:1 students per teacher · in Flandreau
2nd grade in Lone Rock Township · depends on your address
Flandreau Elementary - 04
Grades K–4 · 287 students · 12:1 students per teacher · in Flandreau
Colman Elementary - 03
Grades PK–6 · 193 students · 14:1 students per teacher · in Colman
Pleasant Valley Colony Elementary - 06
Grades K–8 · 34 students · 11:1 students per teacher · in Flandreau
3rd grade in Lone Rock Township · depends on your address
Flandreau Elementary - 04
Grades K–4 · 287 students · 12:1 students per teacher · in Flandreau
Colman Elementary - 03
Grades PK–6 · 193 students · 14:1 students per teacher · in Colman
Pleasant Valley Colony Elementary - 06
Grades K–8 · 34 students · 11:1 students per teacher · in Flandreau
4th grade in Lone Rock Township · depends on your address
Flandreau Elementary - 04
Grades K–4 · 287 students · 12:1 students per teacher · in Flandreau
Colman Elementary - 03
Grades PK–6 · 193 students · 14:1 students per teacher · in Colman
Pleasant Valley Colony Elementary - 06
Grades K–8 · 34 students · 11:1 students per teacher · in Flandreau
5th grade in Lone Rock Township · depends on your address
Flandreau Middle School - 03
Grades 5–8 · 193 students · 10:1 students per teacher · in Flandreau
Colman Elementary - 03
Grades PK–6 · 193 students · 14:1 students per teacher · in Colman
Pleasant Valley Colony Elementary - 06
Grades K–8 · 34 students · 11:1 students per teacher · in Flandreau
6th grade in Lone Rock Township · depends on your address
Flandreau Middle School - 03
Grades 5–8 · 193 students · 10:1 students per teacher · in Flandreau
Colman Elementary - 03
Grades PK–6 · 193 students · 14:1 students per teacher · in Colman
Pleasant Valley Colony Elementary - 06
Grades K–8 · 34 students · 11:1 students per teacher · in Flandreau
7th grade in Lone Rock Township · depends on your address
Flandreau Middle School - 03
Grades 5–8 · 193 students · 10:1 students per teacher · in Flandreau
Colman-Egan Jr. High - 02
Grades 7–8 · 36 students · 11:1 students per teacher · in Colman
Pleasant Valley Colony Elementary - 06
Grades K–8 · 34 students · 11:1 students per teacher · in Flandreau
8th grade in Lone Rock Township · depends on your address
Flandreau Middle School - 03
Grades 5–8 · 193 students · 10:1 students per teacher · in Flandreau
Colman-Egan Jr. High - 02
Grades 7–8 · 36 students · 11:1 students per teacher · in Colman
Pleasant Valley Colony Elementary - 06
Grades K–8 · 34 students · 11:1 students per teacher · in Flandreau
9th grade in Lone Rock Township · depends on your address
Flandreau High School - 01
Grades 9–12 · 201 students · 13:1 students per teacher · in Flandreau
Colman-Egan High School - 01
Grades 9–12 · 100 students · 14:1 students per teacher · in Colman
10th grade in Lone Rock Township · depends on your address
Flandreau High School - 01
Grades 9–12 · 201 students · 13:1 students per teacher · in Flandreau
Colman-Egan High School - 01
Grades 9–12 · 100 students · 14:1 students per teacher · in Colman
11th grade in Lone Rock Township · depends on your address
Flandreau High School - 01
Grades 9–12 · 201 students · 13:1 students per teacher · in Flandreau
Colman-Egan High School - 01
Grades 9–12 · 100 students · 14:1 students per teacher · in Colman
12th grade in Lone Rock Township · depends on your address
Flandreau High School - 01
Grades 9–12 · 201 students · 13:1 students per teacher · in Flandreau
Colman-Egan High School - 01
Grades 9–12 · 100 students · 14:1 students per teacher · in Colman
Which school depends on your address. To confirm it, ask the Flandreau School District 50-3.
Two districts serve Lone Rock Township
Spending and class size are shown but don’t count toward the grade. Each district’s own page has every school.
Well below the state in reading
Lone Rock Township vs. its neighbors
Schools grades for the South Dakota towns that share Lone Rock Township’s borders.
| Town | Schools | Main districts |
|---|---|---|
| Lone Rock Township | — | Colman-Egan School District 50-5 PK–12 · Flandreau School District 50-3 K–12 |
| Grovena | — | Colman-Egan School District 50-5 PK–12 · Flandreau School District 50-3 K–12 |
| Union | — | Flandreau School District 50-3 |
| Alliance | — | Dell Rapids School District 49-3 K–12 · Flandreau School District 50-3 K–12 |
All 3 neighbors share Flandreau School District 50-3 with Lone Rock Township for grades K–12, so their letters differ mainly through the lower grades. Sweet, MN borders Lone Rock Township but is graded on its own state’s tests, so it’s left out.
Every school in Lone Rock Township
5 schools. Each public school’s letter compares its own 2020–21 reading and math results with South Dakota’s other public schools (the newest school-level results we have).
Questions about Lone Rock Township’s schools
Are Lone Rock Township’s schools good?
There’s no Schools grade for Lone Rock Township. Flandreau School District 50-3 and Colman-Egan School District 50-5 have no state test or graduation results we can use, so there is no Schools grade for Lone Rock Township. Each school below is shown with its own results. School by school, 0 of its 5 district schools with test results score above the middle of South Dakota’s public schools on their 2020–21 results.
What school district is Lone Rock Township in?
Flandreau School District 50-3 and Colman-Egan School District 50-5.
Where do Lone Rock Township kids go to high school?
One of two high schools, depending on your address: Flandreau High School - 01 and Colman-Egan High School - 01.
Parents talk
What Lone Rock Township families are saying about school.
Looking for colleges? Colleges near Lone Rock Township → They have their own page.
School data: state test results (2021–22, with participation) and four-year graduation rates (class of 2023) reported to the U.S. Department of Education (EDFacts via ED Data Express); each school’s own letter uses its 2020–21 results (EDFacts via the Urban Institute); schools and enrollment from NCES (2024–25; private schools 2023–24); spending from the Census Bureau’s school finance survey (FY2024). Stars are from neighbors.