For the 2026 school year, there are 5 public high schools serving 1,796 students in Sioux County, IA.
The top-ranked public high schools in Sioux County, IA are Moc-floyd Valley High School, Boyden-hull High School and Sioux Center High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Sioux County, IA public high schools have an average math proficiency score of 73% (versus the Iowa public high school average of 65%), and reading proficiency score of 72% (versus the 71% statewide average). High schools in Sioux County have an average ranking of 7/10, which is in the top 50% of Iowa public high schools.
Sioux County, IA public high school have a Graduation Rate of 87%, which is equal to the Iowa average of 87%.
The school with highest graduation rate is Rock Valley High School, with ≥95% graduation rate. Read more about public school graduation rate statistics in Iowa or national school graduation rate statistics.
Minority enrollment is 38% of the student body (majority Hispanic), which is more than the Iowa public high school average of 28% (majority Hispanic).
Best Public High Schools in Sioux County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Moc-floyd Valley High School
(Math: 83% | Reading: 83%)
Rank:
Rank:
9/
Top 20%10
615 8th St Se
Orange City, IA 51041
(712) 737-4871
Orange City, IA 51041
(712) 737-4871
Gr: 9-12 | 486 students Student-teacher ratio: 14:1 Minority enrollment: 28%
Rank: #22.
Boyden-hull High School
(Math: 79% | Reading: 75%)
Rank:
Rank:
7/
Top 50%10
801 1st St
Hull, IA 51239
(712) 439-2440
Hull, IA 51239
(712) 439-2440
Gr: 7-12 | 253 students Student-teacher ratio: 13:1 Minority enrollment: 35%
Rank: #33.
Sioux Center High School
(Math: 71% | Reading: 67%)
Rank:
Rank:
4/
Bottom 50%10
1031 13th Ave Ne
Sioux Center, IA 51250
(712) 722-2981
Sioux Center, IA 51250
(712) 722-2981
Gr: 9-12 | 518 students Student-teacher ratio: 16:1 Minority enrollment: 50%
Rank: #44.
Rock Valley High School
(Math: 67% | Reading: 66%)
Rank:
Rank:
4/
Bottom 50%10
1712 20th Ave
Rock Valley, IA 51247
(712) 476-2701
Rock Valley, IA 51247
(712) 476-2701
Gr: 9-12 | 242 students Student-teacher ratio: 11:1 Minority enrollment: 41%
Rank: #55.
West Sioux High School
(Math: 55-59% | Reading: 60-64%)
Rank:
Rank:
3/
Bottom 50%10
1300 Falcon Drive
Hawarden, IA 51023
(712) 551-1181
Hawarden, IA 51023
(712) 551-1181
Gr: 9-12 | 242 students Student-teacher ratio: 12:1 Minority enrollment: 43%
Frequently Asked Questions
What are the top-ranked public high schools in Sioux County, IA?
The top-ranked public high schools in Sioux County, IA include Moc-floyd Valley High School, Boyden-hull High School and Sioux Center High School.
How many public high schools are located in Sioux County?
5 public high schools are located in Sioux County.
What is the racial composition of students in Sioux County?
Sioux County public high schools minority enrollment is 38% of the student body (majority Hispanic), which is more than the Iowa public high schools average of 28% (majority Hispanic).
Which public high schools in Sioux County are often viewed compared to one another?
Popular comparisons of public high schools in Sioux County include: Sioux Center High School vs. Moc-floyd Valley High School, Moc-floyd Valley High School vs. Sioux Center High School, Sioux Center High School vs. Boyden-hull High School
Recent Articles
Media Literacy as a Core Skill: How to Tell if a School Teaches It Well
Learn how to evaluate whether a public school teaches media literacy effectively, from fact-checking and source evaluation to digital citizenship and critical thinking.
Screen Time, Paper Learning, and the New Back-to-Basics Debate
Explore why some public schools are reducing screen time, bringing back paper learning, and rethinking the balance between technology and traditional instruction.
Student Data, AI Tools, and Privacy: Questions to Ask Your District
Learn how public schools use AI, protect student data, and the key privacy questions every parent should ask their school district in 2026.