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Regional School Unit 21

At a glance

10^thof 176 Maine districts▲ 6

Better than 94% of Maine districts

Elementary 4 Middle 1 High 1Grades PK, KG-12

177 Alewive Road
Kennebunk, ME 04043·(207) 985-1100·All Maine district rankings →

Statewide performance 2017–2025

2025: better than 94.3% of districts

Schools

2,262

Students

5-star schools

Top rankedMiddle School of the Kennebunks3^rd of 91 Maine middle schools

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Biggest riser

Mildred L Day School up 30 spots statewide this year

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Smallest classes

Middle School of the Kennebunks 9.9 students per teacher

SchoolDigger ratings

5★

4★

1 school without a SchoolDigger rating (too few tested students)

Compare Maine districts →See the top-ranked Maine schools →

Summary:

Regional School Unit 21 in Maine is a high-performing school district with 6 schools, including 4 elementary schools, 1 middle school, and 1 high school. The district is known for its exceptional academic performance, with several standout schools that consistently rank among the top in the state.

The Kennebunkport Consolidated School is a top-performing elementary school, ranking #3 out of 288 schools in 2023-2024 and #17 out of 289 schools in 2024-2025. It boasts exceptional test scores, with 91.76% proficiency in ELA and 81.18% proficiency in Math for 2024-2025, and a low free and reduced lunch rate of 5.21%, indicating a relatively affluent student population. The Middle School of the Kennebunks is also a standout, ranking #3 out of 91 Maine middle schools in 2024-2025 and #5 out of 92 in 2023-2024, with strong test scores. At the high school level, Kennebunk High School ranks #6 out of 119 Maine high schools in 2024-2025 and #7 out of 121 in 2023-2024, with a high 4-year graduation rate of 87.8% and impressive test scores.

Overall, the Regional School Unit 21 district is providing a quality education to its students, as evidenced by the strong academic performance of its schools. While the district has a relatively low percentage of students eligible for free and reduced lunch, indicating a relatively affluent student population, the chronic absenteeism rate across all schools is higher than the state average, which is an area the district may want to address.

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Ranking:

E Elementary M Middle H High A Alternative P Private

Choose columns to see: Summary School Students/Teachers Ranking Test Scores Finance All

School													Students/Teachers											Ranking (2025)				Ranking (2024)				MEA English Language Arts (2025)	MEA Mathematics (2025)	MEA Science (2025)	Per Pupil Expenditures (2025)
Name	Type	Grades	Address	City	Zip	County	District	Is Charter	Is Magnet	Is Virtual	Is Title I	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/Discounted Lunch Recipients	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	SchoolDigger Rating (2025)	Average Standard Score (2024)	Statewide Rank (2024)	State Percentile (2024)	Rank Change from Previous Year	MEA English Language Arts All Grades	MEA Mathematics All Grades	MEA Science All Grades	Total
Mildred L Day School	Public	K-5	600 Limerick Road	Arundel	04046	York County	Regional School Unit 21	No	No	No	Yes	(207) 284-4677	224	20	11.3	23.2%	198 (88.4%)	4 (1.8%)	13 (5.8%)	5 (2.2%)	0 (0.0%)	0 (0.0%)	4 (1.8%)	91.4	21^st of 289 public elementary schools	92.7%		80.6	51^st of 288 public elementary schools	82.3%	30	87.0	80.6	38.9	$25,534
Kennebunk Elementary School	Public	PK, KG-2	177 Alewive Road	Kennebunk	04043	York County	Regional School Unit 21	No	No	No	No	(207) 985-4402	378	32	11.9	15.3%	345 (91.3%)	2 (0.5%)	13 (3.4%)	8 (2.1%)	0 (0.0%)	0 (0.0%)	10 (2.6%)								(n/a)				$25,056
Kennebunk High School	Public	9-12	89 Fletcher Street	Kennebunk	04043	York County	Regional School Unit 21	No	No	No	No	(207) 985-1110	683	59	11.6	18.0%	625 (91.5%)	8 (1.2%)	23 (3.4%)	10 (1.5%)	6 (0.9%)	4 (0.6%)	7 (1.0%)	89.3	6^th of 119 public high schools	95.0%		86	7^th of 121 public high schools	94.2%	1	78.5	67.4	58.1	$24,612
Middle School of the Kennebunks	Public	6-8	60 Thompson Road	Kennebunk	04043	York County	Regional School Unit 21	No	No	No	No	(207) 467-8004	470	47	9.9	17.2%	431 (91.7%)	5 (1.1%)	17 (3.6%)	9 (1.9%)	0 (0.0%)	0 (0.0%)	8 (1.7%)	93.6	3^rd of 91 public middle schools	96.7%		94.1	5^th of 92 public middle schools	94.6%	2	82.8	73.0	63.0	$24,984
Kennebunkport Consolidated School	Public	K-5	25 School Street	Kennebunkport	04046	York County	Regional School Unit 21	No	No	No	No	(207) 967-2121	199	20	10.0	12.6%	181 (91.0%)	1 (0.5%)	1 (0.5%)	6 (3.0%)	3 (1.5%)	0 (0.0%)	7 (3.5%)	93.2	17^th of 289 public elementary schools	94.1%		97.4	3^rd of 288 public elementary schools	99.0%	14	91.8	81.2	40.0	$27,447
Sea Road School	Public	3-5	29 Sea Road	Kennebunk	04043	York County	Regional School Unit 21	No	No	No	No	(207) 985-1105	308	24	12.6	15.3%	268 (87.0%)	4 (1.3%)	23 (7.5%)	2 (0.6%)	2 (0.6%)	0 (0.0%)	9 (2.9%)	88.8	32^nd of 289 public elementary schools	88.9%		87.8	34^th of 288 public elementary schools	88.2%	2	79.2	85.1	39.1	$23,274

Districts nearby

District	Distance	# of Schools	Statewide Rank
Biddeford Public Schools	3.99 mi	5	147^th
Regional School Unit 57/Maine School Admin District 57	5.6 mi	7	108^th
Regional School Unit 23	6.12 mi	8
Saco Public Schools	6.13 mi	5
Dayton Public Schools	7.43 mi	1	145^th

See the top ME Maine districts

SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the Maine Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.