| District | City | Rating | Students | Schools | Grades | Zip Codes |
|---|---|---|---|---|---|---|
| Lake Country School District | Hartland | 10/10 Excellent · 99th pct | 485 | 1 | PK–8 | 0 |
| Merton Community School District | Merton | 10/10 Excellent · 99th pct | 920 | 2 | PK–8 | 0 |
| Swallow School District | Hartland | 10/10 Excellent · 99th pct | 464 | 1 | PK–8 | 0 |
| Elmbrook School District | Brookfield | 10/10 Excellent · 98th pct | 7,781 | 10 | PK–12 | 3 |
| Richmond School District | Sussex | 10/10 Excellent · 98th pct | 407 | 1 | PK–8 | 0 |
| Hamilton School District | Butler | 10/10 Excellent · 97th pct | 5,106 | 8 | PK–12 | 3 |
| Muskego-Norway School District | Muskego | 10/10 Excellent · 97th pct | 4,767 | 6 | PK–12 | 1 |
| Hartland-Lakeside Joint No. 3 School District | Hartland | 10/10 Excellent · 96th pct | 1,139 | 3 | PK–8 | 0 |
| Arrowhead Union High School District | Hartland | 10/10 Excellent · 95th pct | 2,086 | 1 | 9–12 | 2 |
| North Lake School District | North Lake | 10/10 Excellent · 95th pct | 331 | 1 | PK–8 | 0 |
| Mukwonago School District | Big Bend | 10/10 Excellent · 94th pct | 5,009 | 9 | PK–12 | 3 |
| Stone Bank School District | Oconomowoc | 10/10 Excellent · 94th pct | 279 | 1 | PK–8 | 0 |
| New Berlin School District | New Berlin | 10/10 Excellent · 93rd pct | 4,256 | 6 | PK–12 | 2 |
| Pewaukee School District | Pewaukee | 10/10 Excellent · 92nd pct | 2,948 | 4 | PK–12 | 1 |
| Kettle Moraine School District | Delafield | 10/10 Excellent · 91st pct | 3,477 | 12 | PK–12 | 4 |
| Oconomowoc Area School District | Oconomowoc | 10/10 Excellent · 91st pct | 5,015 | 8 | PK–12 | 2 |
| Menomonee Falls School District | Menomonee Falls | 8/10 Good · 77th pct | 3,914 | 6 | PK–12 | 1 |
| Waukesha School District | Waukesha | 7/10 Good · 64th pct | 11,855 | 27 | PK–12 | 3 |
| Palmyra-Eagle Area School District | Eagle | 4/10 Below Average · 38th pct | 574 | 3 | PK–12 | 1 |
How Waukesha County compares
Together they enroll 60,813 students across 110 schools. The largest is Waukesha School District with 11,855 students. Districts here average 9.4/10, above the Wisconsin average of 5.6/10. Ratings range from 4/10 to 10/10.
School Districts in Waukesha County, Wisconsin
Waukesha County has 19 public school districts covering 26 zip codes. The top-rated district in Waukesha County is Lake Country School District (10/10). Ratings are based on the share of students proficient in reading and math on state assessments (Forward Exam 2024–25), ranked against all districts in Wisconsin. Directory details come from NCES CCD 2024–25.
Enter your zip code on any page to confirm your exact district assignment — district boundaries are address-specific and may not follow county or city lines.
Frequently Asked Questions
How many school districts are in Waukesha County, WI?
19 school districts serve zip codes in Waukesha County, WI. This page lists each one with its rating, enrollment, grade span and the zip codes it covers.
What is the best-rated school district in Waukesha County, WI?
Of the districts serving Waukesha County, Lake Country School District has the highest rating on this site at 10/10. That places it in the 99th percentile among Wisconsin school districts.
How are these school district ratings calculated?
Each rating is the share of students scoring proficient or above on Wisconsin reading and math assessments, ranked against other districts in Wisconsin and converted to a 1–10 scale. Percentiles compare districts within Wisconsin only, never across state lines.