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Mercersburg Academy Photo

Highest Average ACT Scores

Among "Schools with 400+ Students", view the boarding schools with the highest average ACT scores (2024-25).
For several key reasons (listed below), these comparisons are intended only as informal reference points for evaluating the ACT taking ability of a school's student body.
A school's average ACT score is based on a relatively small sample of students from year to year (typically less than 100 students for a graduating class).
Average ACT scores, then, can naturally fluctuate year to year while the quality of the overall program and strength of the student body remains consistent.
Schools in the list below are often separated by small statistical differences, which for all intents and purposes, are not meaningful in determining the overall strength of the student body between two schools.
As a final note: average ACT scores should never be used by a family as an expectation of what score they can expect their child to receive if they go to a particular institution.
Average ACT Score
(Out of 36) Range:
20
36 Avg. Average ACT Score
(Out of 36):
28

Highest Average ACT Scores

Among Schools with 400+ Students (out of 48 schools)

Sorted by range (alphabetically within range)
ÌÇÐÄvlog¹ÙÍø School
Average ACT Score
(Out of 36)
Grades
Location
Rank: #1-81.-8
Annie Wright Schools
Annie Wright Schools Photo - Annie Wright Schools, located in Tacoma, WA serves students pre-kindergarten through 12th grade. Our upper schools program provides boarding for 9-12th students and a co-educational model of classroom learning
Average ACT Score
(Out of 36):
>32
Grades: 9-12  | Pre-K-12 (day)
827 N Tacoma Ave
Tacoma, WA 98403
(253) 284-8603
Rank: #1-81.-8
Lawrenceville School
Lawrenceville School Photo - Tsai Field House opened in 2024 as a Community Hub and includes dining, recreation, and athletics. Photo: Jeremy Bittermann
(6)
Average ACT Score
(Out of 36):
>32
Grades: 9-12, PG
2500 Main Street
Lawrenceville, NJ 08648
(609) 895-2030
Rank: #1-81.-8
Mercersburg Academy
Mercersburg Academy Photo
(20)
Average ACT Score
(Out of 36):
>32
Grades: 9-12, PG
100 Academy Drive
Mercersburg, PA 17236
(717) 328-6173
Rank: #1-81.-8
Middlesex School
Middlesex School Photo - English Class
(29)
Average ACT Score
(Out of 36):
>32
Grades: 9-12
1400 Lowell Road
Concord, MA 01742
(978) 371-6524
Rank: #1-81.-8
St. Paul's School
St. Paul's School Photo
(Episcopal)
(3)
Average ACT Score
(Out of 36):
>32
Grades: 9-12
325 Pleasant Street
Concord, NH 03301
(603) 229-4700
Rank: #1-81.-8
St. Stephen's Episcopal School
St. Stephen's Episcopal School Photo
(Episcopal)
(1)
Average ACT Score
(Out of 36):
>32
Grades: 8-12  | 6-12 (day)
6500 St. Stephen's Drive
Austin, TX 78746
(512) 327-1213
Rank: #1-81.-8
The Stony Brook School
The Stony Brook School Photo - The Stony Brook School is a private Christian college preparatory boarding and day school (grades 7-12), distinguished for its academics and set apart by its mission. The 55-acre campus is located 50 miles east of New York City on Long Island's north shore and is home to 460 students from 20 countries and all over the United States.
(Christian)
Average ACT Score
(Out of 36):
>32
Grades: 7-12
1 Chapman Parkway
Stony Brook, NY 11790
(631) 751-1800
Rank: #1-81.-8
The Webb Schools
The Webb Schools Photo - Welcome to Webb!
(29)
Average ACT Score
(Out of 36):
>32
Grades: 9-12
1175 West Baseline Road
Claremont, CA 91711
(909) 482-5214
Rank: #9-179.-17
The Athenian School
The Athenian School Photo
(1)
Average ACT Score
(Out of 36):
30-32
Grades: 9-12  | 6-12 (day)
2100 Mt. Diablo Scenic Blvd.
Danville, CA 94506
(925) 362-7223
Rank: #9-179.-17
Choate Rosemary Hall
Choate Rosemary Hall Photo
(30)
Average ACT Score
(Out of 36):
30-32
Grades: 9-12, PG
333 Christian Street
Wallingford, CT 06492
(203) 697-2239
Rank: #9-179.-17
Cranbrook Schools
Cranbrook Schools Photo
(10)
Average ACT Score
(Out of 36):
30-32
Grades: 9-12  | PK-12 (day)
PO Box 801 39221 Woodward Ave.
Bloomfield Hills, MI 48303
(248) 645-3610
Rank: #9-179.-17
Dana Hall School
Dana Hall School Photo - Dana Hall focuses on providing an education with purpose-one that is infused with helping girls navigate and articulate what's important to them.
All-Girls
(6)
Average ACT Score
(Out of 36):
30-32
Grades: 9-12  | 5-12 (day)
45 Dana Road
Wellesley, MA 02482
(781) 489-1331
Rank: #9-179.-17
Deerfield Academy
Deerfield Academy Photo
(14)
Average ACT Score
(Out of 36):
30-32
Grades: 9-12, PG
7 Boyden Lane
Deerfield, MA 01342
(413) 774-1400
Rank: #9-179.-17
Lake Forest Academy
Lake Forest Academy Photo - Lake Forest Academy's 440 students are from over 15 states and 35 countries. Our student body includes 25% international students, 34% domestic students of color, and 33% of students receive financial aid.
(2)
Average ACT Score
(Out of 36):
30-32
Grades: 9-12, PG
1500 West Kennedy Road
Lake Forest, IL 60045
(847) 615-3267
Rank: #9-179.-17
Milton Academy
Milton Academy Photo - Milton Academy is only eight miles from Boston's museums, schools and attractions, but it has the benefits of a 130-acre New England campus-with green quads and lots of fall foliage.
(8)
Average ACT Score
(Out of 36):
30-32
Grades: 9-12  | K-12 (day)
170 Centre Street
Milton, MA 02186
(617) 898-2227
Rank: #9-179.-17
Phillips Academy Andover
Phillips Academy Andover Photo - The quintessential New England campus is 21 miles to Boston by car or train, and a 10 minute walk to downtown Andover.
(16)
Average ACT Score
(Out of 36):
30-32
Grades: 9-12, PG
180 Main Street
Andover, MA 01810
(978) 749-4050
Rank: #9-179.-17
Average ACT Score
(Out of 36):
30-32
Grades: 8-12  | PK-12 (day)
5521 East Warm Springs Avenue
Boise, ID 83716
(208) 424-5000
Rank: #18-2618.-26
The Brook Hill School
The Brook Hill School Photo - The Brook Hill School. Christ-Centered. College Prep.
(Christian)
(3)
Average ACT Score
(Out of 36):
28-30
Grades: 8-12  | PK-12 (day)
1051 N Houston
Bullard, TX 75757
(903) 894-5000
Rank: #18-2618.-26
Chaminade College Preparatory School
Chaminade College Preparatory School Photo - Chaminade is located 20 minutes outside of Downtown St. Louis in the lovely, safe, green neighborhood of Creve Coeur. Our 55 acre campus is fun and lively throughout the school year and a wonderful place not only to study and play but also to become part of the family.
All-Boys (Catholic)
Average ACT Score
(Out of 36):
28-30
Grades: 6-12
425 South Lindbergh Blvd.
St. Louis, MO 63131
(314) 692-6645
Rank: #18-2618.-26
Iolani School
Iolani School Photo
(Episcopal)
Average ACT Score
(Out of 36):
28-30
Grades: 9-12  | K-12 (day)
563 Kamoku Street
Honolulu, HI 96826
(808) 943-2379
Rank: #18-2618.-26
Loomis Chaffee
Loomis Chaffee Photo - Loomis` beautiful 300-acre campus is located at the confluence of the Farmington and Connecticut rivers in Windsor, Connecticut. Affectionately referred to as the Island, Loomis is within walking distance of the town`s center, Amtrak train station, and other areas of interest.
(30)
Average ACT Score
(Out of 36):
28-30
Grades: 9-12, PG
4 Batchelder Road
Windsor, CT 06095
(860) 687-6400
Rank: #18-2618.-26
Average ACT Score
(Out of 36):
28-30
Grades: 6-12  | Pre-K-12 (day)
7600 Lyons Road
Coconut Creek, FL 33073
(954) 247-0179
Rank: #18-2618.-26
Average ACT Score
(Out of 36):
28-30
Grades: 9-12  | PK-12 (day)
2132 Ivy Road
Charlottesville, VA 22903
(434) 296-5106
Rank: #18-2618.-26
Shady Side Academy
Shady Side Academy Photo - Rowe Hall is the Senior School's main academic building residing at the heart of its 130 acre campus which feels like a small college. The campus also includes 2 dormitories, dedicated buildings for the visual and performing arts, an extensive athletic complex and ice rink, and in 2018 the McIlroy Center for Science and Innovation.
(1)
Average ACT Score
(Out of 36):
28-30
Grades: 9-12
423 Fox Chapel Road
Pittsburgh, PA 15238
(412) 968-3180
Rank: #18-2618.-26
The Webb School
The Webb School Photo
(10)
Average ACT Score
(Out of 36):
28-30
Grades: 7-12  | 6-12 (day)
319 Webb Road East
Bell Buckle, TN 37020
(931) 389-6003
Rank: #18-2618.-26
Average ACT Score
(Out of 36):
28-30
Grades: 9-12, PG
115 College Street
Hudson, OH 44236
(330) 650-9717
Rank: #27-3827.-38
The Bolles School
Average ACT Score
(Out of 36):
26-28
Grades: 9-12, PG  | PK-12, PG (day)
7400 San Jose Blvd.
Jacksonville, FL 32217
(904) 256-5030
Rank: #27-3827.-38
Culver Academies
Culver Academies Photo - An aerial view of Memorial Chapel and Lake Maxinkuckee. Situated on 1,800 acres of green hills and pristine woodlands, Culver's storied campus is home to three distinct leadership-development experiences: Culver Military Academy, Culver Girls Academy, and Culver Summer Schools and Camps.
(21)
Average ACT Score
(Out of 36):
26-28
Grades: 9-12
1300 Academy Road
Culver, IN 46511
(574) 842-7100
Rank: #27-3827.-38
Garrison Forest School
Garrison Forest School Photo - One of the entrances to Garrison Forest School.
All-Girls
Average ACT Score
(Out of 36):
26-28
Grades: 8-12  | PK-12 (day)
300 Garrison Forest Road
Owings Mills, MD 21117
(410) 559-3111
Average ACT Score
(Out of 36):
26-28
Grades: 9-12
1 Elm Street
Byfield, MA 01922
(978) 499-3120
Rank: #27-3827.-38
The Hill School
The Hill School Photo - The Hill School sets a high standard for students in their dress and appearance to express pride in themselves and their respect for one another. Academic Dress is worn throughout the academic day whenever students are in an academic or public area, chapel services, sit-down meals, required evening performance, or any other designated occasion.
(8)
Average ACT Score
(Out of 36):
26-28
Grades: 9-12, PG
860 Beech Street
Pottstown, PA 19464
(610) 326-1000
Rank: #27-3827.-38
The Linsly School
The Linsly School Photo - Linsly's lower school (grades 5-8) program of studies emphasizes the mastery of fundamental concepts through innovative cross-curricular programs and regimented learning, all of which are designed to prepare students for college preparatory curriculum of the upper school (grades 9-12).
Average ACT Score
(Out of 36):
26-28
Grades: 7-12  | 5-12 (day)
60 Knox Lane
Wheeling, WV 26003
(304) 233-1436
Rank: #27-3827.-38
McCallie School
McCallie School Photo - The College Counseling office works with our students to help them find the best college fit and to ensure they are well prepared for the application and financial aid processes.
All-Boys
(3)
Average ACT Score
(Out of 36):
26-28
Grades: 9-12, PG  | 6-12, PG (day)
500 Dodds Avenue
Chattanooga, TN 37404
(423) 624-8300
Rank: #27-3827.-38
Rabun Gap-Nacoochee School
Rabun Gap-Nacoochee School Photo
(Presbyterian)
(1)
Average ACT Score
(Out of 36):
26-28
Grades: 7-12  | PK-12 (day)
339 Nacoochee Drive
Rabun Gap, GA 30568
(706) 746-7720
Rank: #27-3827.-38
Saint Andrew's School
Saint Andrew's School Photo
(Episcopal)
(3)
Average ACT Score
(Out of 36):
26-28
Grades: 9-12
3900 Jog Road
Boca Raton, FL 33434
(561) 210-2020
Rank: #27-3827.-38
Average ACT Score
(Out of 36):
26-28
Grades: 9-12  | PK-12 (day)
1 Community School Drive
Sun Valley, ID 83353
(208) 622-3960
Rank: #27-3827.-38
The Village School
The Village School Photo - The Village School boarding students reside in on-campus dormitories. We take pride in providing a safe, nurturing living environment.
Average ACT Score
(Out of 36):
26-28
Grades: 6-12  | PK-12 (day)
13051 Whittington Drive
Houston, TX 77077
(281) 496-7900
Rank: #27-3827.-38
Westminster School
Westminster School Photo - Gund Reading Room in the Cole Library, a stunning place to study, meet and hold events.
(10)
Average ACT Score
(Out of 36):
26-28
Grades: 9-12, PG
995 Hopmeadow Street
Simsbury, CT 06070
(860) 408-3060
Rank: #39-4639.-46
Cotter Schools
Cotter Schools Photo
(Catholic)
Average ACT Score
(Out of 36):
24-26
Grades: 7-12  | PK-12 (day)
1115 West Broadway Street
Winona, MN 55987
(507) 453-5102
Rank: #39-4639.-46
Darlington School
Darlington School Photo - Darlington's expansive curriculum includes unique offerings such as Robotics, which is supported by a MakerSpace.
(11)
Average ACT Score
(Out of 36):
24-26
Grades: 9-12, PG  | PK-12, PG (day)
1014 Cave Spring Road, SW
Rome, GA 30161
(706) 236-0436
Rank: #39-4639.-46
The King's Academy
The King's Academy Photo - 65-Acres located in the foothills of The Great Smoky Mountains.
(Christian)
(3)
Average ACT Score
(Out of 36):
24-26
Grades: 7-12  | PK-12 (day)
202 Smothers Road
Seymour, TN 37865
(865) 573-8321
Rank: #39-4639.-46
Landmark School
Landmark School Photo - Landmark's beautiful coastal campus just 30 miles from Boston.
(2)
Average ACT Score
(Out of 36):
24-26
Grades: 9-12  | 2-12 (day)
429 Hale Street
Prides Crossing, MA 01965
(978) 236-3000
Rank: #39-4639.-46
Lawrence Academy
Lawrence Academy Photo
(1)
Average ACT Score
(Out of 36):
24-26
Grades: 9-12
26 Powderhouse Road, P.O. Box 992
Groton, MA 01450
(978) 448-1530
Rank: #39-4639.-46
St. Croix Academy
St. Croix Academy Photo - St. Croix's lakeside family-style dormitory was built in 2015 and is located on a beautiful lake with walkways to the Mississippi River and within walking distance of over 50 shops and restaurants.
(Christian)
Average ACT Score
(Out of 36):
24-26
Grades: 6-12
1200 Oakdale Ave.
St. Paul, MN 55118
(651) 455-1521
Rank: #39-4639.-46
Tallulah Falls School
Tallulah Falls School Photo - AFFORDING TALLULAH FALLS SCHOOL Each year, Tallulah Falls School awards more than $4 million in need-based financial aid to 70 percent of our student body.
(2)
Average ACT Score
(Out of 36):
24-26
Grades: 7-12  | 4-12 (day)
201 Campus Drive, PO Box 10
Tallulah Falls, GA 30573
(706) 754-0400
Rank: #39-4639.-46
Average ACT Score
(Out of 36):
24-26
Grades: 7-12  | PK-12 (day)
6189 Winter Garden-Vineland Rd
Windermere, FL 34786
(407) 905-7737
Rank: #47-4847.-48
Admiral Farragut Academy
Admiral Farragut Academy Photo - Steeped in history, with alumni in the White House, on the moon's surface, professional athletes, and key leadership positions worldwide, Admiral Farragut Academy is an international preparatory school offering elite academics and outstanding global leadership development. AFA's global headquarters and international boarding school is on the waterfront in tropical St. Petersburg, Florida.
(9)
Average ACT Score
(Out of 36):
<24
Grades: 8-12  | K-12 (day)
501 Park Street North
St. Petersburg, FL 33710
(727) 384-5504
Rank: #47-4847.-48
Average ACT Score
(Out of 36):
<24
Grades: 9-12, PG
101 West College Blvd
Roswell, NM 88201
(800) 421-5376

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