Rock Valley High School
School pathway
Test scores
ISASP 2024-25 . % ProficientWhat this means: On the ISASP, Iowa's statewide test, about 90 of every 100 students at this school read and write at grade level and about 81 of 100 do math at grade level. Across all Iowa schools, those numbers are about 74 and 71. Reading and writing scores are up about 5 points since 2023, while math scores are up about 4 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 82% of students here test proficient in math and reading, well above the roughly 60% typical for Iowa schools with a similar share of low-income students. BeatsExpectations ranks schools against others at the same poverty level, not by raw scores, so a school can post high scores and still fall short of its prediction, or post lower scores and still beat it. This school clears its prediction by about 22 points, placing it in Iowa's top 10%.
7-year change
SY 2017-18 vs SY 2024-25About Rock Valley High School
Set in Rock Valley, Iowa, Rock Valley High School is a modestly sized secondary school, operated by Rock Valley Comm School District. It enrolls 242 students across grades 9 through 12. Enrollment runs roughly 48% smaller than the state mean of about 468.
Rock Valley Comm School District comprises 4 schools with combined enrollment of 884 students; Rock Valley High School is among them.
In terms of who attends, Rock Valley High School reports that the largest single group is White, at 59% of enrollment. The remainder reads as 40% Hispanic. That is noticeably less White than the county at large, where the share is closer to 85%.
Looking at the economic backdrop, The school employs 23 full-time-equivalent teachers, for a student-teacher ratio near 10.8:1. That figure is tighter than the state norm's 17.3:1 average. Roughly 63% of students at Rock Valley High School qualify for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. By comparison, Sioux County runs at roughly 45%, so the school's eligibility rate is higher than the surrounding baseline.
On a residual basis (actual vs predicted given the student mix), Rock Valley High School is in the OUTPERFORMING tier of the BeatsExpectations model, which fits a per-state line through proficiency and FRL share. Schools with this campus's poverty mix typically land near 60.3%; this one delivers 82.2%, a residual of +21.9 points.
Across the wider county, ACS estimates for Sioux County put median household income runs about $86,098, 31% of adults hold a bachelor's degree or higher, and the poverty rate sits near 4%. Across Sioux County's 19 public schools (combined enrollment of about 5,321 students), Rock Valley High School is one campus in the mix.
The closest other public school is Rock Valley Elementary School, roughly 0.0 miles away. Counting just inside five miles, 3 other public schools cluster around Rock Valley High School. Among the 7 schools in that immediate cluster with test data (this one included), Rock Valley High School ranks 1st on composite proficiency, above the local average of 75.9%.
Rock Valley High School operates from a rural location.
Trend over the last 7 years. Over the past 7-year window, the student count edged down 44%: 430 students in 2018 compared to 242 in 2025. The Hispanic share of enrollment edged up from 32% to 40% over that span. Class-load math has fell: from 15.3:1 in 2018 to 10.8:1 in 2025.
In the discussion threads here, members of the Rock Valley High School community share and discuss fundraisers, lost-and-found posts, and report-card season. Contributors range from current parents to recent graduates and teachers.
Sioux County at a glance
View full county profileQuick facts
Related schools
- Rock Valley Elementary SchoolElementary · 370 students
- Rock Valley Middle SchoolMiddle · 195 students
- Rock Valley Pre-SchoolElementary · 77 students
- Rock Valley Elementary SchoolElementary · 370 students
- Rock Valley Middle SchoolMiddle · 195 students
- Rock Valley Elementary School0.0 mi · 370
- Rock Valley Middle School0.0 mi · 195
- Rock Valley Pre-School0.0 mi · 77
- Boyden-Hull High School7.7 mi · 253
- Sioux Center Intermediate School10.3 mi · 242
- Sioux Center Preschool10.3 mi · 49