Beta You're viewing our redesigned school list. Prefer the classic layout?

Elementary Schools in Regional School Unit 21

Coming soon: We're expecting this year's test scores from the Maine Department of Education any day now — new rankings will be posted the moment they're released!

Coming soon: This year's test scores are expected from the Maine Department of Education any day now — new rankings will follow the moment they're released!

At a glance

DistrictRegional School Unit 2110^th of 176 Maine districtsFull district overview →

Schools

1,109

Students

5-star schools

Top rankedKennebunkport Consolidated School17^th of 289 Maine elementary schools

▲

Biggest riser

Mildred L Day School up 30 spots statewide this year

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

Summary:

Regional School Unit 21 in Maine is home to 4 high-performing elementary schools that consistently rank among the best in the state. The schools serve students from pre-kindergarten through 5th grade and are located in the communities of Kennebunk, Kennebunkport, and Arundel.

Two schools stand out as exceptional performers: Kennebunkport Consolidated School and Mildred L Day School. Kennebunkport Consolidated School is ranked #3 out of 288 Maine elementary schools and has received a perfect 5-star rating from SchoolDigger. Mildred L Day School is ranked #21 out of 289 schools and has earned 4-5 stars, with test scores significantly higher than the state average.

While all 4 schools in Regional School Unit 21 perform well, there is some variation in their rankings and metrics. The district as a whole is ranked 10th out of 176 districts in Maine and has a 5-star rating, indicating a strong focus on academic excellence. However, the schools share a common challenge of higher-than-average chronic absenteeism rates, which may be an area for further investigation and intervention.

Load more schools when map is moved

Ranking:

E Elementary M Middle H High A Alternative P Private

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

School													Students/Teachers											Ranking (2025)				Ranking (2024)				MEA English Language Arts (2025)	MEA Mathematics (2025)	MEA Science (2025)	Vaccination (2024-25)		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/reduced lunch (2024-25)	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	Vaccination: Kindergartners with 2 doses of MMR	Vaccination: Exemption rate	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	97.7%	0%	$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)				97.8%	2.2%	$25,056
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	100%	2.8%	$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.