School District · Illinois
Grayslake Community High School District 127
📍 Grayslake, IL · Lake County · NCES LEAID 1717550
District Contact & Information
Source: NCES CCD 2024–25
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District Mailing Address
400 N Lake St, Grayslake, IL 60030
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NCES District ID (LEAID)
1717550
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District Type
Public School District
Schools in Grayslake Community High School District 127
2 schools listed
Zip Codes Served by Grayslake Community High School District 127
1 zip code
Frequently Asked Questions
What zip codes are in Grayslake Community High School District 127?▼
Grayslake Community High School District 127 serves 1 zip code: 60030. Zip codes and district boundaries do not line up exactly, so confirm your exact address with the district office before you rely on an assignment.
How is Grayslake Community High School District 127 rated?▼
Grayslake Community High School District 127 has an overall rating of 10 out of 10 (Excellent), based on the share of students proficient in reading and math on state assessments (IAR 2023–24). That places it in the 90th percentile among Illinois school districts. Ratings are percentile-ranked within Illinois only and are not comparable across states.
How many students attend Grayslake Community High School District 127?▼
The NCES Common Core of Data directory reports enrollment of 2,676 students across 2 schools for Grayslake Community High School District 127.
What grades does Grayslake Community High School District 127 serve?▼
Grayslake Community High School District 127 is listed in the NCES directory as serving grades 9th – 12th.
What schools are in Grayslake Community High School District 127?▼
NCES lists 2 schools operating under Grayslake Community High School District 127: 2 high. Each school's grade span, enrollment and city are listed on this page. Attendance zones are set by the district and a school on this list is not necessarily the one your address is assigned to.
How do I contact Grayslake Community High School District 127?▼
You can reach Grayslake Community High School District 127 by phone at (847)986-3400 or online at www.d127.org or by mail at 400 N Lake St, Grayslake, IL 60030. Contact details come from the NCES district directory and are the best way to confirm which school your address is assigned to.
About Grayslake Community High School District 127
Grayslake Community High School District 127 is a public school district serving 1 zip code in Illinois, primarily in Lake County. It carries an overall rating of 10/10 (Excellent), the 90th percentile among Illinois districts. That rating reflects the share of students proficient in reading and math on state assessments (IAR 2023–24) and is ranked only against other Illinois districts — scores are not comparable between states. Directory details on this page come from the NCES Common Core of Data, 2024–25.
Schools in this district
NCES lists 2 schools operating under Grayslake Community High School District 127 — 2 high. The largest by enrollment is Grayslake Central High School with 1,375 students. School-level enrollment comes from the NCES Common Core of Data school directory; a school with no reported enrollment is shown with a dash rather than a zero.
Checking your own address
District boundaries are address-specific and do not follow zip code lines exactly — a single zip code can
be split between two or more districts. Use the zip codes listed above as a starting point, then confirm your
assignment with the district office at (847)986-3400 before making a housing decision.