Deprecated: Return type of Phpfastcache\Util\ArrayObject::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 106 Deprecated: Return type of Phpfastcache\Util\ArrayObject::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 115 Deprecated: Return type of Phpfastcache\Util\ArrayObject::offsetUnset($offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 130 Deprecated: Return type of Phpfastcache\Util\ArrayObject::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 48 Deprecated: Return type of Phpfastcache\Util\ArrayObject::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 56 Deprecated: Return type of Phpfastcache\Util\ArrayObject::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 80 Deprecated: Return type of Phpfastcache\Drivers\Memcached\Item::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Core/Item/ItemExtendedTrait.php on line 438 Best Public Schools in Cass County (2026)
Public School Review - Established 2003

Best Cass County Public Schools (2026)

For the 2026 school year, there are 8 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)
Location
Quick Facts
Rank: #11.
Griswold Middle/high School
(Math: 70-74% | Reading: 80-84%)
Rank:
7/
10
Top 50%
20 Madison St.
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:
7/
10
Top 50%
500 E 14th St
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:
6/
10
Top 50%
1100 Linn St
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:
5/
10
Bottom 50%
207 6th St
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:
5/
10
Bottom 50%
20 Madison St.
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:
4/
10
Bottom 50%
1201 E 14th St
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:
4/
10
Bottom 50%
501 East 11th St.
Atlantic, IA 50022
(712) 243-1370
Gr: 4-5 | 206 students Student-teacher ratio: 14:1 Minority enrollment: 17%
Rank: #88.
Cam Jr./sr. High School
(Math: 55-59% | Reading: 60-64%)
Rank:
3/
10
Bottom 50%
1000 Victory Park Rd
Anita, IA 50020
(712) 762-3231
Gr: 7-12 | 188 students Student-teacher ratio: 10:1 Minority enrollment: 6%

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).

Recent Articles

AI Report Cards: Should Schools Evaluate AI Use?
AI Report Cards: Should Schools Evaluate AI Use?
Explore whether schools should assess student AI use, the benefits, risks, and what responsible AI report cards could look like in 2026.
The Parent’s Guide to School Cell Phone Bans in 2026
The Parent’s Guide to School Cell Phone Bans in 2026
Learn how school cell phone bans work in 2026, why districts are adopting them, and what parents should expect.
Parental Involvement in Public Schools: 2026 Update
Parental Involvement in Public Schools: 2026 Update
Explore the latest 2026 trends, research, and strategies shaping parental involvement in public schools and student success.

Quick Links

School Search Tools:
School by Type (IA):
State Links: