schoolsbycounty

State district guide

Iowa public school districts

Compare district systems across Iowa by enrollment scale, school count, county context, generated guide coverage, and the parent checks that matter before choosing where to live.

Direct answer for parents

What this district ranking can and cannot tell you

If you are searching for the best school districts in Iowa, start with the largest and most data-rich district systems below, then verify the specific school assigned to each address. SchoolsByCounty orders districts by reported enrollment and school count because those fields are consistent in NCES. It does not convert district size into a quality rating.

Start with scale

Des Moines Independent Comm School District

30,278 reported students

Check county context

Winneshiek County

80/100 county score

Verify locally

Address fit

Attendance boundaries and transfers are not in NCES

District table

Largest public school districts in Iowa

The first 60 rows show the largest district systems by reported enrollment. Open district guides where available, or use the county profile when a detailed district page is not generated yet.

328 districts in state file

Iowa public school districts ranked by reported enrollment.
RankDistrictStudents
130,278
215,289
314,718
414,701
513,744
613,082
712,750
810,527
910,024
109,120
118,733
127,611
137,431
147,397
155,884
165,709
175,651
185,078
194,959
204,645
214,580
224,432
234,258
243,747
253,665
263,629
273,527
283,526
293,508
303,389
313,334
32
Clinton Comm School District

LEA ID 1907710

3,286
33
Lewis Central Comm School District

LEA ID 1916680

3,022
34
Clear Creek Amana Comm School District

LEA ID 1907590

Iowa County7 schools
3,014
35
Newton Comm School District

LEA ID 1920610

Jasper County7 schools
2,809
36
Storm Lake Comm School District

LEA ID 1927390

2,794
37
Bondurant-Farrar Comm School District

LEA ID 1905070

Polk County5 schools
2,731
38
Pella Comm School District

LEA ID 1922470

Marion County5 schools
2,491
39
Carlisle Comm School District

LEA ID 1906270

Warren County4 schools
2,369
40
Waverly-Shell Rock Comm School District

LEA ID 1930540

Bremer County7 schools
2,304
41
Adel DeSoto Minburn Comm School District

LEA ID 1903150

Dallas County5 schools
2,254
42
Denison Comm School District

LEA ID 1908910

2,245
43
Le Mars Comm School District

LEA ID 1916530

2,236
44
Spencer Comm School District

LEA ID 1926910

Clay County5 schools
2,230
45
Marion Independent School District

LEA ID 1918690

Linn County6 schools
2,229
46
North Polk Comm School District

LEA ID 1920910

Polk County5 schools
2,224
47
Oskaloosa Comm School District

LEA ID 1921870

2,081
48
Glenwood Comm School District

LEA ID 1912690

Mills County4 schools
2,071
49
Boone Comm School District

LEA ID 1905130

Boone County5 schools
1,976
50
Ballard Comm School District

LEA ID 1904200

Story County4 schools
1,871
51
Mount Pleasant Comm School District

LEA ID 1919890

Henry County7 schools
1,851
52
Fort Madison Comm School District

LEA ID 1911850

Lee County4 schools
1,797
53
Keokuk Comm School District

LEA ID 1915630

Lee County5 schools
1,781
54
Perry Comm School District

LEA ID 1922530

Dallas County3 schools
1,746
55
Webster City Comm School District

LEA ID 1930630

1,731
56
Carroll Comm School District

LEA ID 1906330

1,722
57
Gilbert Comm School District

LEA ID 1912510

Story County4 schools
1,697
58
Benton Comm School District

LEA ID 1904830

Benton County5 schools
1,682
59
Knoxville Comm School District

LEA ID 1915840

Marion County4 schools
1,674
60
Winterset Comm School District

LEA ID 1931860

1,669

— = enrollment not reported in the district record. District rows are informational and must be paired with local assignment tools before a housing decision.

Methodology

How to use district rankings without overreading them

District-level data is useful because it shows the operating system around a public school search: how many schools exist, which county record anchors the district, how much enrollment is reported, and whether a detailed district guide is available. It is not enough to decide where a student should enroll.

Ranking basis

Rows are ordered by reported enrollment, then school count. The method favors broad, data-rich systems because those are the districts parents most often need to research before relocation.

County context

Each district is attached to a primary county record when available. County school scores are context signals, not district ratings, and nearby counties can still matter for commute and housing decisions.

Grade pathway

Elementary, middle, and high school counts help parents spot whether a district looks like a full K-12 pathway or a narrower operating unit. Feeder patterns still require local verification.

Address verification

The final decision happens at the address level. Confirm attendance zones, open-enrollment rules, magnet admissions, charter lotteries, and transfer windows with official district sources.

County context

Districts anchored in higher-scoring county contexts

These rows pair district records with the county-level SchoolsByCounty score. Treat this as a shortlist for deeper research, not a district quality ranking.

Decorah Community School District

Winneshiek County

80

Students
1,589
Schools
4

South Winneshiek Comm School District

Winneshiek County

80

Students
531
Schools
3

Turkey Valley Comm School District

Winneshiek County

80

Students
375
Schools
2

Creston Comm School District

Union County

80

Students
1,379
Schools
4

East Union Comm School District

Union County

80

Students
489
Schools
2

Howard-Winneshiek Comm School District

Howard County

79

Students
1,040
Schools
3

Parent checklist before relying on a district ranking

Use this page to narrow the field, then answer these local questions before treating any district as a fit for a specific home.

Which school does this address actually feed into?

Use the district address lookup and confirm edge cases near attendance-zone borders.

What happens at transition grades?

A strong elementary fit can split into several middle or high school paths.

Are choice programs realistic for this student?

Magnet, charter, virtual, and transfer options can involve lotteries, applications, or deadlines.

Is the county context aligned with housing tradeoffs?

Pair school research with taxes, commute, home prices, and safety before choosing where to live.

Frequently Asked Questions About Iowa School Districts

What are the best school districts in Iowa?
Des Moines Independent Comm School District, Cedar Rapids Comm School District, Sioux City Comm School District are the largest Iowa district systems by reported enrollment in the NCES file. SchoolsByCounty does not call them the best districts; use this page to find data-rich district systems, then verify assigned schools, program rules, and local fit.
How are Iowa districts ranked here?
Districts are ordered by reported student enrollment, then school count, using NCES public school district records. This is a research-priority ranking, not a quality rating.
Why do only 31 Iowa districts have district guide links?
SchoolsByCounty statically generates detailed district guides for the largest district systems nationally so the pages stay fast and substantive. Districts without guide links remain represented through county and state context pages.
Do these district pages show attendance boundaries?
No. Attendance zones, transfer rules, magnet eligibility, charter admission, transportation, and program availability must be verified with official district or local assignment tools before choosing a home.
Does a large district mean better schools?
No. Larger districts usually have more school options and more public data, but enrollment size is not a school-quality measure. Compare school-level records and official local sources before treating a district as a fit.
How many districts are included for Iowa?
This page includes 328 Iowa public school districts from the current NCES district file, alongside county context and generated district-guide availability where available.
By Evan Brooks, Data EditorPublished

Data Sources

Education data sourced from the National Center for Education Statistics (NCES) Common Core of Data and School District Finance Survey. School scores are derived composite metrics based on available NCES graduation-rate and school-finance signals.

Data is informational only. Coverage varies by county and reporting year. Not for use as the sole basis for educational decisions.