For the 2026 school year, there is 1 public high school serving 718 students in Clay County, IA.
The top-ranked public high school in Clay County, IA is Spencer High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Clay County, IA public high school have an average math proficiency score of 75% (versus the Iowa public high school average of 65%), and reading proficiency score of 79% (versus the 71% statewide average). High schools in Clay County have an average ranking of 9/10, which is in the top 20% of Iowa public high schools.
Clay County, IA public high school have a Graduation Rate of 92%, which is more than the Iowa average of 87%.
The school with highest graduation rate is Spencer High School, with 90-94% graduation rate. Read more about public school graduation rate statistics in Iowa or national school graduation rate statistics.
Minority enrollment is 13% of the student body (majority Hispanic), which is less than the Iowa public high school average of 28% (majority Hispanic).
Best Public High Schools in Clay County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Spencer High School
(Math: 75% | Reading: 79%)
Rank:
Rank:
7/
Top 50%10
800 E 3rd St
Spencer, IA 51301
(712) 262-1700
Spencer, IA 51301
(712) 262-1700
Gr: 9-12 | 688 students Student-teacher ratio: 17:1 Minority enrollment: 13%
Frequently Asked Questions
What are the top-ranked public high schools in Clay County, IA?
The top-ranked public high schools in Clay County, IA include Spencer High School.
How many public high schools are located in Clay County?
1 public high schools are located in Clay County.
What is the racial composition of students in Clay County?
Clay County public high schools minority enrollment is 13% of the student body (majority Hispanic), which is less than the Iowa public high schools average of 28% (majority Hispanic).
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