School District · Maine
Castine Public Schools
📍 Castine, ME · Hancock County · NCES LEAID 2304080
District Contact & Information
Source: NCES CCD 2024–25
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Grades Served
Pre-K – 12th
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District Mailing Address
PO Box 630, Blue Hill, ME 04614
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NCES District ID (LEAID)
2304080
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District Type
Public School District
Schools in Castine Public Schools
1 school listed
Zip Codes Served by Castine Public Schools
1 zip code
Frequently Asked Questions
What zip codes are in Castine Public Schools?▼
Castine Public Schools serves 1 zip code: 04421. 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 Castine Public Schools rated?▼
Castine Public Schools has an overall rating of 9 out of 10 (Excellent), based on the share of students proficient in reading and math on state assessments (NCES EDFacts). That places it in the 83rd percentile among Maine school districts. Ratings are percentile-ranked within Maine only and are not comparable across states.
How many students attend Castine Public Schools?▼
The NCES Common Core of Data directory reports enrollment of 78 students across 1 school for Castine Public Schools.
What grades does Castine Public Schools serve?▼
Castine Public Schools is listed in the NCES directory as serving grades Pre-K – 12th.
What schools are in Castine Public Schools?▼
NCES lists 1 school operating under Castine Public Schools: 1 other or combined. 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 Castine Public Schools?▼
You can reach Castine Public Schools by phone at (207)374-9927 or online at www.schoolunion93.org or by mail at PO Box 630, Blue Hill, ME 04614. Contact details come from the NCES district directory and are the best way to confirm which school your address is assigned to.
About Castine Public Schools
Castine Public Schools is a public school district serving 1 zip code in Maine, primarily in Hancock County. It carries an overall rating of 9/10 (Excellent), the 83rd percentile among Maine districts. That rating reflects the share of students proficient in reading and math on state assessments (NCES EDFacts, 2021–22 for most districts with a 2017–18 fallback for the rest) and is ranked only against other Maine 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 1 school operating under Castine Public Schools — 1 other or combined. The largest by enrollment is Adams School with 45 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 (207)374-9927 before making a housing decision.