The average public middle school diversity score in Maine is approximately 0.25 per year (2026).
The most diverse public middle schools are listed below (where sufficient data available).
The most diverse school in Maine is currently King Middle School, with a diversity score of 0.68.
Diversity Score Range: 0.27
0.68
Avg. Diversity Score: 0.41
Most Diverse Public Middle Schools in Maine (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Diversity Score
Grades
Location
Rank: #11.
King Middle School
(Math: 26% | Reading: 77%)
Rank:
Rank:
1/
Bottom 50%10
Diversity Score: 0.68
Grades: 6-8
92 Deering Av
Portland, ME 04102
(207) 874-8140
Portland, ME 04102
(207) 874-8140
Rank: #22.
Lyman Moore Middle School
(Math: 34% | Reading: 85%)
Rank:
Rank:
3/
Bottom 50%10
Diversity Score: 0.66
Grades: 6-8
171 Auburn St
Portland, ME 04103
(207) 874-8150
Portland, ME 04103
(207) 874-8150
Rank: #33.
Lincoln Middle School
(Math: 35% | Reading: 86%)
Rank:
Rank:
4/
Bottom 50%10
Diversity Score: 0.64
Grades: 6-8
522 Stevens Av
Portland, ME 04103
(207) 874-8145
Portland, ME 04103
(207) 874-8145
Rank: #44.
Lewiston Middle School
(Math: 20% | Reading: 69%)
Rank:
Rank:
1/
Bottom 50%10
Diversity Score: 0.60
Grades: 7-8
75 Central Avenue
Lewiston, ME 04240
(207) 795-4180
Lewiston, ME 04240
(207) 795-4180
Rank: #55.
East Range Ii Csd School
(Math: <50% | Reading: ≥50%)
Rank:
Rank:
2/
Bottom 50%10
Diversity Score: 0.58
Grades: PK-8
187 School St
Topsfield, ME 04490
(207) 796-2665
Topsfield, ME 04490
(207) 796-2665
Rank: #6 - 76. - 7.
Westbrook Middle School
(Math: 35% | Reading: 76%)
Rank:
Rank:
1/
Bottom 50%10
Diversity Score: 0.56
Grades: 5-8
471 Stroudwater Street
Westbrook, ME 04092
(207) 854-0830
Westbrook, ME 04092
(207) 854-0830
Rank: #6 - 76. - 7.
Diversity Score: 0.56
Grades: 5-8
120 Wescott Road
South Portland, ME 04106
(207) 773-5629
South Portland, ME 04106
(207) 773-5629
Rank: #88.
Biddeford Middle School
(Math: 33% | Reading: 79%)
Rank:
Rank:
2/
Bottom 50%10
Diversity Score: 0.47
Grades: 5-7
25 Tiger Drive
Biddeford, ME 04005
(207) 282-6400
Biddeford, ME 04005
(207) 282-6400
Rank: #9 - 109. - 10.
Princeton Elementary School
(Math: 45-49% | Reading: 75-79%)
Rank:
Rank:
3/
Bottom 50%10
Diversity Score: 0.46
Grades: PK-8
289 Main Street
Princeton, ME 04668
(207) 853-2567
Princeton, ME 04668
(207) 853-2567
Rank: #9 - 109. - 10.
Biddeford High School
(Math: 30-34% | Reading: 75-79%)
Rank:
Rank:
2/
Bottom 50%10
Diversity Score: 0.46
Grades: 8-12
20 Maplewood Avenue
Biddeford, ME 04005
(207) 282-1596
Biddeford, ME 04005
(207) 282-1596
Rank: #1111.
Diversity Score: 0.45
Grades: PK-8
1 Monhegan Avenue
Monhegan, ME 04852
(207) 594-5895
Monhegan, ME 04852
(207) 594-5895
Rank: #1212.
Calais Middle/high School
(Math: 20-24% | Reading: 80-84%)
Rank:
Rank:
2/
Bottom 50%10
Diversity Score: 0.43
Grades: 7-12
34 Blue Devil Hill Suite 2
Calais, ME 04619
(207) 454-2591
Calais, ME 04619
(207) 454-2591
Rank: #1313.
Eastport Elementary School
(Math: 15-19% | Reading: 70-79%)
Rank:
Rank:
1/
Bottom 50%10
Diversity Score: 0.41
Grades: PK-8
100 High Street
Eastport, ME 04631
(207) 853-6252
Eastport, ME 04631
(207) 853-6252
Rank: #1414.
William S. Cohen School
(Math: 65% | Reading: 91%)
Rank:
Rank:
9/
Top 20%10
Diversity Score: 0.40
Grades: 6-8
304 Garland Street
Bangor, ME 04401
(207) 941-6230
Bangor, ME 04401
(207) 941-6230
Rank: #15 - 1615. - 16.
Houlton Junior High School
(Math: 29% | Reading: 86%)
Rank:
Rank:
3/
Bottom 50%10
Diversity Score: 0.39
Grades: 7-8
7 Bird Street
Houlton, ME 04730
(207) 532-6551
Houlton, ME 04730
(207) 532-6551
Rank: #15 - 1615. - 16.
Auburn Middle School
(Math: 36% | Reading: 80%)
Rank:
Rank:
2/
Bottom 50%10
Diversity Score: 0.39
Grades: 7-8
38 Falcon Drive
Auburn, ME 04210
(207) 333-6655
Auburn, ME 04210
(207) 333-6655
Rank: #1717.
Woodland Jr-sr High School
(Math: 30-34% | Reading: 75-79%)
Rank:
Rank:
2/
Bottom 50%10
Diversity Score: 0.38
Grades: 7-12
14 First Avenue
Baileyville, ME 04694
(207) 427-3325
Baileyville, ME 04694
(207) 427-3325
Rank: #1818.
Scarborough Middle School
(Math: 55% | Reading: 91%)
Rank:
Rank:
8/
Top 30%10
Diversity Score: 0.37
Grades: 6-8
21 Quentin Drive
Scarborough, ME 04074
(207) 730-4800
Scarborough, ME 04074
(207) 730-4800
Rank: #19 - 2019. - 20.
Narraguagus High School
(Math: 30-34% | Reading: 70-74%)
Rank:
Rank:
1/
Bottom 50%10
Diversity Score: 0.35
Grades: 7-12
1611 Main Street
Harrington, ME 04643
(207) 483-2746
Harrington, ME 04643
(207) 483-2746
Rank: #19 - 2019. - 20.
Saco Middle School
(Math: 52% | Reading: 90%)
Rank:
Rank:
8/
Top 30%10
Diversity Score: 0.35
Grades: 6-8
40 Buxton Road
Saco, ME 04072
(207) 282-4181
Saco, ME 04072
(207) 282-4181
Rank: #21 - 2421. - 24.
Loranger Memorial School
(Math: 44% | Reading: 85%)
Rank:
Rank:
4/
Bottom 50%10
Diversity Score: 0.34
Grades: 3-8
148 Saco Avenue
Old Orchard Beach, ME 04064
(207) 934-4848
Old Orchard Beach, ME 04064
(207) 934-4848
Rank: #21 - 2421. - 24.
Waterville Junior High School
(Math: 36% | Reading: 82%)
Rank:
Rank:
3/
Bottom 50%10
Diversity Score: 0.34
Grades: 6-8
100 West River Rd
Waterville, ME 04901
(207) 873-2144
Waterville, ME 04901
(207) 873-2144
Rank: #21 - 2421. - 24.
Brunswick Jr High School
(Math: 55% | Reading: 91%)
Rank:
Rank:
8/
Top 30%10
Diversity Score: 0.34
Grades: 6-8
65 Columbia Avenue
Brunswick, ME 04011
(207) 319-1930
Brunswick, ME 04011
(207) 319-1930
Rank: #21 - 2421. - 24.
Diversity Score: 0.34
Grades: 7-12
675 Westbrook Street
South Portland, ME 04106
(207) 822-2660
South Portland, ME 04106
(207) 822-2660
Rank: #25 - 2725. - 27.
Cranberry Isles School
(Reading: ≥50%)
Diversity Score: 0.32
Grades: K-8
251 Cranberry Road
Cranberry Isles, ME 04625
(207) 244-3765
Cranberry Isles, ME 04625
(207) 244-3765
Rank: #25 - 2725. - 27.
Sanford Middle School
(Math: 43% | Reading: 78%)
Rank:
Rank:
3/
Bottom 50%10
Diversity Score: 0.32
Grades: 5-8
52 Spartan Dr
Sanford, ME 04073
(207) 324-3114
Sanford, ME 04073
(207) 324-3114
Rank: #25 - 2725. - 27.
Orono Middle School
(Math: 55-59% | Reading: 90-94%)
Rank:
Rank:
9/
Top 20%10
Diversity Score: 0.32
Grades: 6-8
10 Goodridge Drive
Orono, ME 04473
(207) 866-2350
Orono, ME 04473
(207) 866-2350
Rank: #28 - 2928. - 29.
Limestone Community School
(Math: 25-29% | Reading: 70-74%)
Rank:
Rank:
1/
Bottom 50%10
Diversity Score: 0.31
Grades: PK-8
93 High Street
Limestone, ME 04750
(207) 325-4742
Limestone, ME 04750
(207) 325-4742
Rank: #28 - 2928. - 29.
Conners-emerson School
(Math: 79% | Reading: ≥95%)
Rank:
Rank:
10/
Top 5%10
Diversity Score: 0.31
Grades: K-8
11 Eagle Lake Road
Bar Harbor, ME 04609
(207) 288-3631
Bar Harbor, ME 04609
(207) 288-3631
Rank: #30 - 3230. - 32.
Brewer Community School
(Math: 52% | Reading: 90%)
Rank:
Rank:
8/
Top 30%10
Diversity Score: 0.30
Grades: PK-8
92 Pendleton Street
Brewer, ME 04412
(207) 404-5700
Brewer, ME 04412
(207) 404-5700
Rank: #30 - 3230. - 32.
Shapleigh School
(Math: 51% | Reading: 89%)
Rank:
Rank:
7/
Top 50%10
Diversity Score: 0.30
Grades: 4-8
43 Stevenson Road
Kittery, ME 03904
(207) 439-2572
Kittery, ME 03904
(207) 439-2572
Rank: #30 - 3230. - 32.
Pembroke Elementary School
(Reading: 80-89%)
Diversity Score: 0.30
Grades: PK-8
36 U S Route 1
Pembroke, ME 04666
(207) 726-5564
Pembroke, ME 04666
(207) 726-5564
Rank: #33 - 3433. - 34.
James F. Doughty School
(Math: 41% | Reading: 81%)
Rank:
Rank:
3/
Bottom 50%10
Diversity Score: 0.29
Grades: 6-8
143 Fifth Street
Bangor, ME 04401
(207) 941-6220
Bangor, ME 04401
(207) 941-6220
Rank: #33 - 3433. - 34.
Winslow Junior High School
(Math: 30-34% | Reading: 80-84%)
Rank:
Rank:
3/
Bottom 50%10
Diversity Score: 0.29
Grades: 7-8
30 Danielson St
Waterville, ME 04901
(207) 872-1973
Waterville, ME 04901
(207) 872-1973
Rank: #35 - 4135. - 41.
Ellsworth Elementary-middle School
(Math: 49% | Reading: 85%)
Rank:
Rank:
5/
Bottom 50%10
Diversity Score: 0.27
Grades: PK-8
20 Forrest Avenue
Ellsworth, ME 04605
(207) 667-6241
Ellsworth, ME 04605
(207) 667-6241
Show 100 more public schools in ME (out of 200 total schools)
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Frequently Asked Questions
What is the Maine average public middle schools diversity score?
The Maine average public middle schools diversity score is 0.25 for 2026.
What are public middle schools with the most diversity score in Maine?
The best top-ranked public middle schools in Maine include King Middle School, Lyman Moore Middle School and Lincoln Middle School.
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