📊 Data: NCES CCD 2024–2025·🔄 Updated: August 2026·Editorial standards
📍 Litchfield, ME · Androscoggin County

Regional School Unit 04

Grades Pre-K – 12th · 1,300 students · 5 schools · 2 zip codes

2
out of 10 Rating Poor
State reading & math proficiency · 14th percentile among Maine districts. Ranked within Maine only — not comparable across states.
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School District · Maine
Regional School Unit 04
📍 Litchfield, ME · Androscoggin County · NCES LEAID 2314783
2/10
Rating
1,300
Students
5
Schools
Pre-K – 12th
Grade Span
2
Zip Codes

District Contact & Information

Source: NCES CCD 2024–25
📚
Grades Served
Pre-K – 12th
📞
District Phone
🌐
District Website
📍
District Mailing Address
971 Gardiner Road, Wales, ME 04280
🎓
Enrollment
1,300 students
🏫
Schools
5
🏷
NCES District ID (LEAID)
2314783
🏛
District Type
Public School District

Schools in Regional School Unit 04

5 schools listed
SchoolLevelGradesStudentsCity
Carrie Ricker SchoolElementary3rd – 4th174Litchfield
Libby-Tozier SchoolElementaryPre-K – Kindergarten143Litchfield
Sabattus Primary SchoolElementary1st – 2nd164Sabattus
Oak Hill Middle SchoolMiddle5th – 8th380Sabattus
Oak Hill High SchoolHigh9th – 12th408Wales

Zip Codes Served by Regional School Unit 04

2 zip codes
Zip CodeCityCountyState
04280SabattusAndroscoggin CountyME
04350LitchfieldAndroscoggin CountyME

Frequently Asked Questions

What zip codes are in Regional School Unit 04?
Regional School Unit 04 serves 2 zip codes: 04280, 04350. 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 Regional School Unit 04 rated?
Regional School Unit 04 has an overall rating of 2 out of 10 (Poor), based on the share of students proficient in reading and math on state assessments (NCES EDFacts). That places it in the 14th percentile among Maine school districts. Ratings are percentile-ranked within Maine only and are not comparable across states.
How many students attend Regional School Unit 04?
The NCES Common Core of Data directory reports enrollment of 1,300 students across 5 schools for Regional School Unit 04.
What grades does Regional School Unit 04 serve?
Regional School Unit 04 is listed in the NCES directory as serving grades Pre-K – 12th.
What schools are in Regional School Unit 04?
NCES lists 5 schools operating under Regional School Unit 04: 3 elementary, 1 middle, 1 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 Regional School Unit 04?
You can reach Regional School Unit 04 by phone at (207)375-4273 or online at www.rsu4.org or by mail at 971 Gardiner Road, Wales, ME 04280. Contact details come from the NCES district directory and are the best way to confirm which school your address is assigned to.

About Regional School Unit 04

Regional School Unit 04 is a public school district serving 2 zip codes in Maine, primarily in Androscoggin County. It carries an overall rating of 2/10 (Poor), the 14th 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 5 schools operating under Regional School Unit 04 — 3 elementary, 1 middle and 1 high. The largest by enrollment is Oak Hill High School with 408 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)375-4273 before making a housing decision.