For the 2026 school year, there are 11 public schools serving 3,729 students in Cass County, IA.
The top-ranked public schools in Cass County, IA are Griswold Middle/high School, Washington Elementary School and Atlantic Middle School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Cass County, IA public schools have an average math proficiency score of 63% (versus the Iowa public school average of 68%), and reading proficiency score of 70% (versus the 70% statewide average). Schools in Cass County have an average ranking of 3/10, which is in the bottom 50% of Iowa public schools.
Minority enrollment is 16% of the student body (majority Hispanic), which is less than the Iowa public school average of 30% (majority Hispanic).
Best Public Schools in Cass County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Griswold Middle/high School
(Math: 70-74% | Reading: 80-84%)
Rank:
Rank:
7/
Top 50%10
20 Madison St.
Griswold, IA 51535
(712) 778-2154
Griswold, IA 51535
(712) 778-2154
Gr: 6-12 | 193 students Student-teacher ratio: 12:1 Minority enrollment: 6%
Rank: #22.
Washington Elementary School
(Math: 75-79% | Reading: 70-74%)
Rank:
Rank:
7/
Top 50%10
500 E 14th St
Atlantic, IA 50022
(712) 243-5234
Atlantic, IA 50022
(712) 243-5234
Gr: PK-3 | 554 students Student-teacher ratio: 15:1 Minority enrollment: 16%
Rank: #33.
Atlantic Middle School
(Math: 75% | Reading: 74%)
Rank:
Rank:
6/
Top 50%10
1100 Linn St
Atlantic, IA 50022
(712) 243-1330
Atlantic, IA 50022
(712) 243-1330
Gr: 6-8 | 349 students Student-teacher ratio: 16:1 Minority enrollment: 16%
Rank: #44.
Cam Elementary School
(Math: 80-89% | Reading: 50-59%)
Rank:
Rank:
5/
Bottom 50%10
207 6th St
Massena, IA 50853
(712) 779-2211
Massena, IA 50853
(712) 779-2211
Gr: PK-6 | 216 students Student-teacher ratio: 11:1 Minority enrollment: 2%
Rank: #55.
Griswold Elementary School
(Math: 75-79% | Reading: 60-64%)
Rank:
Rank:
5/
Bottom 50%10
20 Madison St.
Griswold, IA 51535
(712) 778-2154
Griswold, IA 51535
(712) 778-2154
Gr: PK-5 | 227 students Student-teacher ratio: 11:1 Minority enrollment: 5%
Rank: #66.
Atlantic High School
(Math: 63% | Reading: 72%)
Rank:
Rank:
4/
Bottom 50%10
1201 E 14th St
Atlantic, IA 50022
(712) 243-5358
Atlantic, IA 50022
(712) 243-5358
Gr: 9-12 | 478 students Student-teacher ratio: 14:1 Minority enrollment: 12%
Rank: #77.
Schuler Elementary School
(Math: 71% | Reading: 63%)
Rank:
Rank:
4/
Bottom 50%10
501 East 11th St.
Atlantic, IA 50022
(712) 243-1370
Atlantic, IA 50022
(712) 243-1370
Gr: 4-5 | 206 students Student-teacher ratio: 14:1 Minority enrollment: 17%
Rank: #88.
Iowa Connections Academy High School
(Math: 46% | Reading: 76%)
Rank:
Rank:
4/
Bottom 50%10
807 Third St
Anita, IA 50020
(712) 581-0200
Anita, IA 50020
(712) 581-0200
Gr: 9-12 | 1,022 student Minority enrollment: 21%
Rank: #99.
Iowa Connections Academy Middle School
(Math: 57% | Reading: 65-69%)
Rank:
Rank:
3/
Bottom 50%10
807 Third St
Anita, IA 50020
(712) 581-0200
Anita, IA 50020
(712) 581-0200
Gr: 6-8 | 308 students Minority enrollment: 28%
Rank: #1010.
Cam Jr./sr. High School
(Math: 55-59% | Reading: 60-64%)
Rank:
Rank:
3/
Bottom 50%10
1000 Victory Park Rd
Anita, IA 50020
(712) 762-3231
Anita, IA 50020
(712) 762-3231
Gr: 7-12 | 188 students Student-teacher ratio: 10:1 Minority enrollment: 6%
Rank: #1111.
Iowa Connections Academy Elementary School
(Math: 55-59% | Reading: 55-59%)
Rank:
Rank:
2/
Bottom 50%10
807 Third St
Anita, IA 50020
(712) 581-0200
Anita, IA 50020
(712) 581-0200
Gr: K-5 | 216 students Minority enrollment: 38%
Frequently Asked Questions
What are the top-ranked public schools in Cass County, IA?
The top-ranked public schools in Cass County, IA include Griswold Middle/high School, Washington Elementary School and Atlantic Middle School.
How many public schools are located in Cass County?
11 public schools are located in Cass County.
What is the racial composition of students in Cass County?
Cass County public schools minority enrollment is 16% of the student body (majority Hispanic), which is less than the Iowa public schools average of 30% (majority Hispanic).
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