For the 2026 school year, there are 3 public high schools serving 881 students in Poweshiek County, IA.
The top-ranked public high schools in Poweshiek County, IA are Montezuma High School, Grinnell Community Senior High School and Brooklyn-guernsey-malcom Jr-sr High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Poweshiek County, IA public high schools have an average math proficiency score of 75% (versus the Iowa public high school average of 65%), and reading proficiency score of 75% (versus the 71% statewide average). High schools in Poweshiek County have an average ranking of 8/10, which is in the top 30% of Iowa public high schools.
Poweshiek 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 Brooklyn-guernsey-malcom Jr-sr High School, with ≥90% graduation rate. Read more about public school graduation rate statistics in Iowa or national school graduation rate statistics.
Minority enrollment is 8% 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 Poweshiek County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Montezuma High School
(Math: 75-79% | Reading: 80-84%)
Rank:
Rank:
8/
Top 30%10
504 N. 4th St.
Montezuma, IA 50171
(641) 623-5121
Montezuma, IA 50171
(641) 623-5121
Gr: 9-12 | 140 students Student-teacher ratio: 12:1 Minority enrollment: 6%
Rank: #22.
Grinnell Community Senior High School
(Math: 76% | Reading: 76%)
Rank:
Rank:
6/
Top 50%10
1333 Sunset St
Grinnell, IA 50112
(641) 236-2700
Grinnell, IA 50112
(641) 236-2700
Gr: 9-12 | 512 students Student-teacher ratio: 17:1 Minority enrollment: 12%
Rank: #33.
Brooklyn-guernsey-malcom Jr-sr High School
(Math: 71% | Reading: 71%)
Rank:
Rank:
5/
Bottom 50%10
1090 Jackson St
Brooklyn, IA 52211
(641) 522-7058
Brooklyn, IA 52211
(641) 522-7058
Gr: 7-12 | 268 students Student-teacher ratio: 15:1 Minority enrollment: 8%
Frequently Asked Questions
What are the top-ranked public high schools in Poweshiek County, IA?
The top-ranked public high schools in Poweshiek County, IA include Montezuma High School, Grinnell Community Senior High School and Brooklyn-guernsey-malcom Jr-sr High School.
How many public high schools are located in Poweshiek County?
3 public high schools are located in Poweshiek County.
What is the racial composition of students in Poweshiek County?
Poweshiek County public high schools minority enrollment is 8% of the student body (majority Hispanic), which is less than the Iowa public high schools average of 28% (majority Hispanic).
Which public high schools in Poweshiek County are often viewed compared to one another?
Popular comparisons of public high schools in Poweshiek County include: Grinnell Community Senior High School vs. Brooklyn-guernsey-malcom Jr-sr High School
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