Districts in Nassau County55 districts, sorted by rating
| District | City | Rating | Students | Schools | Grades | Zip Codes |
|---|---|---|---|---|---|---|
| Great Neck Union Free School District | Great Neck | 10/10 Excellent · 99th pct | 6,836 | 10 | PK–12 | 5 |
| Jericho Union Free School District | Greenvale | 10/10 Excellent · 99th pct | 3,236 | 5 | K–12 | 3 |
| Manhasset Union Free School District | Manhasset | 10/10 Excellent · 99th pct | 3,021 | 4 | K–12 | 1 |
| Syosset Central School District | Syosset | 10/10 Excellent · 99th pct | 6,938 | 10 | K–12 | 2 |
| East Williston Union Free School District | Williston Park | 10/10 Excellent · 98th pct | 1,609 | 3 | PK–12 | 1 |
| Herricks Union Free School District | Albertson | 10/10 Excellent · 98th pct | 4,258 | 5 | K–12 | 1 |
| North Shore Central School District | Glen Head | 10/10 Excellent · 98th pct | 2,572 | 5 | PK–12 | 3 |
| Garden City Union Free School District | Garden City | 10/10 Excellent · 97th pct | 3,945 | 7 | K–12 | 1 |
| Roslyn Union Free School District | Roslyn | 10/10 Excellent · 97th pct | 3,301 | 5 | K–12 | 2 |
| East Meadow Union Free School District | East Meadow | 10/10 Excellent · 96th pct | 7,802 | 9 | K–12 | 1 |
| Locust Valley Central School District | Locust Valley | 10/10 Excellent · 96th pct | 1,920 | 6 | PK–12 | 3 |
| New Hyde Park-Garden City Park Union Free School District | NEW HYDE PARK | 10/10 Excellent · 96th pct | 1,653 | 4 | PK–6 | 0 |
| Plainview-Old Bethpage Central School District | Plainview | 10/10 Excellent · 96th pct | 5,245 | 7 | K–12 | 2 |
| Bellmore-Merrick Central High School District | Merrick | 10/10 Excellent · 94th pct | 5,243 | 5 | 7–12 | 2 |
| Carle Place Union Free School District | Carle Place | 10/10 Excellent · 94th pct | 1,264 | 3 | K–12 | 1 |
| Port Washington Union Free School District | Port Washington | 10/10 Excellent · 94th pct | 5,294 | 7 | PK–12 | 1 |
| Bellmore Union Free School District | BELLMORE | 10/10 Excellent · 93rd pct | 1,080 | 3 | PK–6 | 0 |
| Merrick Union Free School District | MERRICK | 10/10 Excellent · 93rd pct | 1,664 | 3 | PK–6 | 0 |
| Floral Park-Bellerose Union Free School District | FLORAL PARK | 10/10 Excellent · 92nd pct | 1,597 | 2 | PK–6 | 0 |
| Rockville Centre Union Free School District | Rockville Center | 10/10 Excellent · 91st pct | 3,384 | 7 | K–12 | 1 |
| Valley Stream Union Free School District 30 | VALLEY STREAM | 10/10 Excellent · 90th pct | 1,456 | 3 | PK–6 | 0 |
| Sewanhaka Central High School District | Floral Park | 9/10 Excellent · 88th pct | 7,862 | 5 | 7–12 | 4 |
| Bethpage Union Free School District | Bethpage | 9/10 Excellent · 87th pct | 2,990 | 5 | K–12 | 1 |
| Lynbrook Union Free School District | Lynbrook | 9/10 Excellent · 86th pct | 2,764 | 7 | K–12 | 1 |
| Oceanside Union Free School District | Oceanside | 9/10 Excellent · 86th pct | 5,514 | 10 | PK–12 | 1 |
| Oyster Bay-East Norwich Central School District | East Norwich | 9/10 Excellent · 85th pct | 1,400 | 4 | PK–12 | 2 |
| Seaford Union Free School District | Seaford | 9/10 Excellent · 85th pct | 2,200 | 4 | K–12 | 1 |
| Hewlett-Woodmere Union Free School District | Hewlett | 9/10 Excellent · 84th pct | 2,884 | 5 | PK–12 | 2 |
| Island Trees Union Free School District | LEVITTOWN | 9/10 Excellent · 84th pct | 2,223 | 4 | K–12 | 0 |
| North Merrick Union Free School District | MERRICK | 9/10 Excellent · 83rd pct | 1,214 | 3 | K–6 | 0 |
| Elmont Union Free School District | ELMONT | 9/10 Excellent · 82nd pct | 3,394 | 6 | PK–6 | 0 |
| Massapequa Union Free School District | Massapequa | 9/10 Excellent · 82nd pct | 6,536 | 9 | K–12 | 2 |
| Wantagh Union Free School District | Wantagh | 9/10 Excellent · 80th pct | 2,905 | 5 | PK–12 | 1 |
| Long Beach City School District | Long Beach | 8/10 Good · 79th pct | 3,590 | 6 | PK–12 | 2 |
| Valley Stream Union Free School District 24 | VALLEY STREAM | 8/10 Good · 77th pct | 1,055 | 3 | K–6 | 0 |
| Levittown Union Free School District | Levittown | 8/10 Good · 75th pct | 7,177 | 10 | K–12 | 1 |
| North Bellmore Union Free School District | BELLMORE | 8/10 Good · 75th pct | 2,046 | 5 | K–6 | 0 |
| Baldwin Union Free School District | Baldwin | 8/10 Good · 72nd pct | 4,476 | 7 | K–12 | 1 |
| Mineola Union Free School District | Mineola | 8/10 Good · 72nd pct | 2,868 | 5 | PK–12 | 1 |
| Valley Stream Central High School District | Valley Stream | 8/10 Good · 70th pct | 4,714 | 4 | 7–12 | 2 |
| Farmingdale Union Free School District | Farmingdale | 7/10 Good · 69th pct | 5,251 | 6 | K–12 | 1 |
| Franklin Square Union Free School District | FRANKLIN SQUARE | 7/10 Good · 69th pct | 1,930 | 3 | PK–6 | 0 |
| Valley Stream Union Free School District 13 | VALLEY STREAM | 7/10 Good · 67th pct | 2,026 | 4 | PK–6 | 0 |
| East Rockaway Union Free School District | East Rockaway | 7/10 Good · 63rd pct | 1,153 | 3 | K–12 | 1 |
| Hicksville Union Free School District | Hicksville | 6/10 Average · 58th pct | 5,548 | 9 | PK–12 | 1 |
| Malverne Union Free School District | Malverne | 6/10 Average · 54th pct | 1,848 | 4 | K–12 | 1 |
| West Hempstead Union Free School District | West Hempstead | 6/10 Average · 50th pct | 1,586 | 4 | PK–12 | 1 |
| Freeport Union Free School District | Freeport | 5/10 Average · 45th pct | 6,469 | 8 | PK–12 | 1 |
| Lawrence Union Free School District | Inwood | 4/10 Below Average · 38th pct | 2,306 | 5 | K–12 | 4 |
| Island Park Union Free School District | Island Park | 4/10 Below Average · 30th pct | 707 | 2 | PK–8 | 1 |
| Glen Cove City School District | Glen Cove | 3/10 Below Average · 28th pct | 3,214 | 6 | PK–12 | 1 |
| Uniondale Union Free School District | Hempstead | 3/10 Below Average · 27th pct | 6,211 | 8 | PK–12 | 3 |
| Westbury Union Free School District | Westbury | 3/10 Below Average · 23rd pct | 4,768 | 6 | PK–12 | 1 |
| Roosevelt Union Free School District | Roosevelt | 2/10 Poor · 13th pct | 3,196 | 5 | PK–12 | 1 |
| Hempstead Union Free School District | Hempstead | 1/10 Poor · 5th pct | 6,114 | 8 | PK–12 | 1 |
12 of these districts serve no zip code in our zip-to-district crosswalk and show 0 above — most are elementary or secondary districts that share territory with another district. They are listed from the NCES CCD directory so the county is complete.
Zip Codes in Nassau County
11001 11003 11010 11040 11020 11021 11023 11024 11042 11030 11050 11096 11509 11516 11559 11501 11507 11510 11514 11518 11520 11530 11542 11545 11547 11579 11548 11568 11753 11549 11553 11556 11550 11552 11554 11557 11598 11558 11560 11709 11765 11561 11569 11563 11565 11566 11710 11570 11572 11575 11576 11577 11580 11581 11590 11596 11714 11732 11771 11735 11756 11758 11762 11783 11791 11797 11793 11801 11803 11804
How Nassau County compares
Together they enroll 193,457 students across 301 schools. The largest is Sewanhaka Central High School District with 7,862 students. Districts here average 8.1/10, above the New York average of 5.4/10. Ratings range from 1/10 to 10/10.
School Districts in Nassau County, New York
Nassau County has 55 public school districts covering 70 zip codes. The top-rated district in Nassau County is Great Neck Union Free School District (10/10). Ratings are based on the share of students proficient in reading and math on state assessments (NY State tests 2023–24), ranked against all districts in New York. 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 Nassau County, NY?
55 school districts serve zip codes in Nassau County, NY. 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 Nassau County, NY?
Of the districts serving Nassau County, Great Neck Union Free School District has the highest rating on this site at 10/10. That places it in the 99th percentile among New York school districts.
How are these school district ratings calculated?
Each rating is the share of students scoring proficient or above on New York reading and math assessments, ranked against other districts in New York and converted to a 1–10 scale. Percentiles compare districts within New York only, never across state lines.