Schools in Rsu 21, Maine (2025)
6 schools · 2,262 students · 6 public · median Enrollment 378.
Rsu 21, in Maine, has 6 schools in United States's 2025 data, together educating about 2,262 students. By level there are 4 elementary, 1 middle, 1 high; by sector 6 public.
The median Enrollment across Rsu 21's schools is 378, above the Maine median of 245. Students enrolled in the latest NCES directory year.
6 of the 6 schools qualify for the Success Index (US). The highest-scoring is Kennebunk Elementary School (87.9, top 5% of elementary schools nationally), followed by Kennebunkport Consolidated Sch (84.9, top 5% of elementary schools nationally), and Middle School of the Kennebunks (84.2, top 10% of middle schools nationally). 6 schools sit in the top 10% of United States for their type. Scores are percentiles within school type, so compare an elementary school with other elementary schools.
The largest schools are Kennebunk High School (683 students), Middle School of the Kennebunks (470 students), Kennebunk Elementary School (378 students).
Schools are spread across 3 citys, with the most in Kennebunk (4), Kennebunkport (1), Arundel (1).
Ranked schools in Rsu 21
Ordered by Success Index (US). Rank positions shown on each profile are within United States and Maine.
- 188Kennebunk Elementary SchoolKennebunk · Public Elementary15.3% Free/reduced-price lunch · 378 students
- 285Kennebunkport Consolidated SchKennebunkport · Public Elementary62% Math proficiency · 199 students
- 384Middle School of the KennebunksKennebunk · Public Middle51% Math proficiency · 470 students
- 484Sea Road SchoolKennebunk · Public Elementary68% Math proficiency · 308 students
- 581Mildred L Day SchoolArundel · Public Elementary62% Math proficiency · 224 students
- 679Kennebunk High SchoolKennebunk · Public High57% Math proficiency · 683 students
| # | School | Sector | Success Index (US) | Key result | Students |
|---|---|---|---|---|---|
| 1 | Kennebunk Elementary School Kennebunk · Elementary · Grades PK–2 | Public | 87.9 Top 5% | 15.3% Free/reduced-price lunch | 378 |
| 2 | Kennebunkport Consolidated Sch Kennebunkport · Elementary · Grades K–5 | Public | 84.9 Top 5% | 62% Math proficiency | 199 |
| 3 | Middle School of the Kennebunks Kennebunk · Middle · Grades 6–8 | Public | 84.2 Top 10% | 51% Math proficiency | 470 |
| 4 | Sea Road School Kennebunk · Elementary · Grades 3–5 | Public | 84.2 Top 10% | 68% Math proficiency | 308 |
| 5 | Mildred L Day School Arundel · Elementary · Grades K–5 | Public | 80.8 Top 10% | 62% Math proficiency | 224 |
| 6 | Kennebunk High School Kennebunk · High · Grades 9–12 | Public | 79.4 Top 10% | 57% Math proficiency | 683 |
Compare the top 4 schools in Rsu 21 side by side →
Citys in Rsu 21
Other places in Maine
- Portland(15)
- Bangor(10)
- South Portland(8)
- Auburn(8)
- Lewiston(8)
- Augusta(7)
- Skowhegan(7)
- Scarborough(6)
- Biddeford(5)
- Gorham(5)
- Saco(5)
- Westbrook(5)
- Brunswick(4)
- Sanford(4)
- Gray(4)
- Presque Isle(4)
- Houlton(4)
- Waterville(4)
- Yarmouth(4)
- York(4)
- Turner(4)
- Cumberland(4)
- Topsham(4)
- Bath(4)
- Kennebunk(4)
- Oakland(4)
- Freeport(4)
- Windham(4)
- Bucksport(4)
- Farmington(4)
- Hampden(4)
- Belfast(4)
- Cape Elizabeth(3)
- Falmouth(3)
- Hermon(3)
- Gardiner(3)
- Paris(3)
- Fort Kent(3)
- South Berwick(3)
- Thorndike(3)
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Frequently asked questions
What is the best school in Rsu 21?
Kennebunk Elementary School is the highest-ranked school in Rsu 21 with a Success Index (US) of 87.9 out of 100 (Top 5% of elementary schools in United States).
How many schools are in Rsu 21?
Rsu 21 has 6 schools (4 elementary, 1 middle, 1 high) educating 2,262 students in 2025.
What is the typical Enrollment in Rsu 21?
The median Enrollment across schools in Rsu 21 is 378. Students enrolled in the latest NCES directory year.