Total enrollment
25,542
-1,971 (-7%) vs SY 2017-18
Rock County
Wisconsin · Public K-12
In Rock County, 65 public K-12 schools make up the local education system, comprising 32 elementary, 12 middle, and 13 high. Combined enrollment is about 25,542 students.
7-year change in Rock County
SY 2017-18 vs SY 2024-25School count
61
-2 (-3%) vs SY 2017-18
% White
66%
was 69%
% Hispanic
18%
was 16%
% Black
7%
was 8%
% Asian
1%
was 1%
Source: NCES Common Core of Data, enrollment-weighted demographic averages
Schools
65
10 districts
Enrollment
25,542
NCES CCD
Median income
$75,673
Above Wisconsin avg
Free/reduced lunch
46.8%
Above Wisconsin avg
Elementary
32
11,401 students
Middle
12
5,593 students
High
13
7,646 students
Combined / other
8
902 students
LARGEST DISTRICT
Janesville School District
9,355 students · 10 districts in Rock County
County vs. school enrollment demographics
Left bar is the racial makeup of Rock County residents (Census ACS 5-year). Right bar is the enrollment-weighted makeup of public schools in the county (NCES CCD). NCES systematically under-reports Hispanic, Pacific Islander, and Native American enrollment for many schools; where the resident share is meaningful but the reported school share is zero, we mark the school bar "not reported".
County residents
School enrollment
Bachelor's+
25.8%
adults 25+
Poverty rate
6.3%
ACS 5-year
Unemployment
3.8%
civilian labor
Median age
40
22.4% under 18
Test scores in Rock County
Latest 2024-25 ELA proficiency, 40 schools ranked. Wisconsin state average: 53.1%.
Top 5 schools (ELA)
- Harmony Elementary· 80.7%
- Monroe Elementary· 72.7%
- Kennedy Elementary· 69.6%
- Roosevelt Elementary· 68.0%
- Edgerton Middle· 67.7%
Lowest 5 schools (ELA)
- Merrill Elementary· 4.4%
- Hackett Elementary· 13.0%
- Robinson Elementary· 14.8%
- Todd Elementary· 15.7%
- Fran Fruzen Intermediate· 24.2%
| Name | City | Level | Grades | Enrollment | Rating |
|---|---|---|---|---|---|
| Craig High | Janesville | High | 09-12 | 1,400 | · |
| Memorial High | Beloit | High | 09-12 | 1,305 | · |
| Parker High | Janesville | High | 09-12 | 1,272 | · |
| Milton High | Milton | High | 09-12 | 1,057 | · |
| Edgerton Community Elementary | Edgerton | Elementary | PK-05 | 809 | · |
| Northside Intermediate | Milton | Middle | 04-06 | 794 | · |
| Marshall Middle | Janesville | Middle | 06-08 | 747 | · |
| The Lincoln Academy | Beloit | Combined | PK-12 | 727 | · |
| Edgerton High | Edgerton | High | 09-12 | 593 | · |
| Edison Middle | Janesville | Middle | 06-08 | 587 | · |
| Clinton Elementary | Clinton | Elementary | PK-06 | 541 | · |
| Aldrich Intermediate | Beloit | Middle | 06-08 | 521 | · |
| Milton Middle | Milton | Middle | 07-08 | 509 | · |
| Evansville High | Evansville | High | 09-12 | 497 | · |
| Garden Prairie Intermediate School | Beloit | Elementary | 02-05 | 491 | · |
| Fran Fruzen Intermediate | Beloit | Middle | 06-08 | 490 | · |
| Franklin Middle | Janesville | Middle | 06-08 | 486 | · |
| Robinson Elementary | Beloit | Elementary | PK-05 | 477 | · |
| Todd Elementary | Beloit | Elementary | PK-05 | 471 | · |
| Turner High | Beloit | High | 09-12 | 459 | · |
| Converse Elementary | Beloit | Elementary | PK-05 | 446 | · |
| Hackett Elementary | Beloit | Elementary | PK-05 | 434 | · |
| Parkview Elementary | Orfordville | Elementary | PK-05 | 428 | · |
| Levi Leonard Elementary | Evansville | Elementary | PK-02 | 424 | · |
| Edgerton Middle | Edgerton | Middle | 06-08 | 413 | · |
| Roosevelt Elementary | Janesville | Elementary | PK-05 | 412 | · |
| Washington Elementary | Janesville | Elementary | PK-05 | 410 | · |
| East Elementary | Milton | Elementary | PK-03 | 409 | · |
| Van Buren Elementary | Janesville | Elementary | PK-05 | 408 | · |
| Kennedy Elementary | Janesville | Elementary | PK-05 | 404 | · |
| Turner Middle | Beloit | Middle | 06-08 | 381 | · |
| Monroe Elementary | Janesville | Elementary | PK-05 | 376 | · |
| J C McKenna Middle | Evansville | Middle | 06-08 | 362 | · |
| Gaston Elementary | Beloit | Elementary | PK-05 | 348 | · |
| Preschool 4 Janesville | Janesville | Elementary | PK-PK | 345 | · |
| Jackson Elementary | Janesville | Elementary | PK-05 | 339 | · |
| Theodore Robinson Intermediate School | Evansville | Elementary | 03-05 | 339 | · |
| Powers Elementary | Beloit | Elementary | PK-01 | 331 | · |
| West Elementary | Milton | Elementary | PK-03 | 322 | · |
| Clinton Senior High | Clinton | High | 09-12 | 312 | · |
| Madison Elementary | Janesville | Elementary | PK-05 | 307 | · |
| Jefferson Elementary | Janesville | Elementary | PK-05 | 293 | · |
| Lincoln Elementary | Janesville | Elementary | PK-05 | 291 | · |
| Harmony Elementary | Janesville | Elementary | PK-03 | 288 | · |
| Adams Elementary | Janesville | Elementary | PK-05 | 267 | · |
| Rock River Charter School | Janesville | High | 09-12 | 267 | · |
| Harrison Elementary | Janesville | Elementary | PK-05 | 266 | · |
| Wilson Elementary | Janesville | Elementary | PK-05 | 256 | · |
| Merrill Elementary | Beloit | Elementary | PK-05 | 224 | · |
| Parkview High | Orfordville | High | 09-12 | 187 | · |
| Parkview Junior High | Orfordville | Middle | 06-08 | 171 | · |
| Beloit Learning Academy | Beloit | High | 06-12 | 153 | · |
| Clinton Junior High | Clinton | Middle | 07-08 | 132 | · |
| Yahara Elementary | Edgerton | Elementary | KG-05 | 120 | · |
| ARISE Virtual Academy | Janesville | Combined | KG-12 | 119 | · |
| Rock University High | Janesville | High | 09-12 | 93 | · |
| Consolidated Elementary | Janesville | Elementary | KG-03 | 82 | · |
| Parkview Academy of Virtual Education | Orfordville | High | 06-12 | 51 | · |
| Beloit Virtual School | Beloit | Combined | PK-12 | 46 | · |
| Beloit Early Learning | Beloit | Elementary | PK-PK | 43 | · |
| Youth Services Center | Janesville | Combined | PK-12 | 10 | · |
| Wisconsin Center for the Blind and Visually Impaired | Janesville | Combined | 01-12 | 0 | · |
| Cunningham Intermediate | Beloit | Combined | M-M | · | · |
| McNeel Intermediate | Beloit | Combined | M-M | · | · |
| TAGOS Leadership Acad | Janesville | Combined | M-M | · | · |
Cities in Rock County
About Rock County
Rock County is a mid-sized county of about 164,350 residents in Wisconsin. Its public-school system enrolls approximately 25,542 students across 65 schools.
Zooming out, census numbers show the median household earns about $75,673 a year, 26% of adults hold a bachelor's degree or higher, and roughly 6% of residents live below the federal poverty line.
In terms of grade levels, Rock County spans 32 elementary schools (11,401 students), 12 middle schools (5,593), 13 high schools (7,646), and 8 combined or other schools.
The largest single district in Rock County is Janesville School District, which alone enrolls about 9,355 students.
Over the past 7-year window. Combined enrollment now sits at 25,542 students, contracted 7% from the 27,513 reported in SY 2017-18. Over that span, Rock County lost 2 schools, going from 63 to 61. Demographically, the White share of enrollment declined from 69% to 66%.
On allk12, the community for Rock County discusses open enrollment windows, redistricting talk, and busing logistics. Posts come from current and former families, staff, and alumni.
Frequently asked questions
Rock County school rankings
DATA · Census ACS 5-year · NCES Common Core of Data