Highest Average ACT Scores

Among "All Schools", 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.

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

Lawrenceville School Photo - Tsai Field House opened in 2024 as a Community Hub and includes dining, recreation, and athletics. Photo: Jeremy Bittermann

Middlesex School Photo - The Dining Hall at lunchtime

St. Paul's School Photo - Faculty and students at dinner

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.

Wayland Academy Photo - Wayland Hall, the most historic buildings on campus, currently houses first-year and sophomore boys. The interior was remodeled recently and offers some of the nicest rooms and gathering spaces on any campus in America.

The Webb Schools Photo - "My favorite thing about Webb is all the friendships that you make throughout your time." Sakeena '27

The Cambridge School of Weston Photo - When you live on CSW's campus, you get to know this community through a uniquely focused lens. You'll have additional access to teachers, facilities, friends, and all of the resources and cultural opportunities Greater Boston has to offer. And with all that happens on weekends and after hours, there's no shortage of excitement.

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.

Delphian School Photo - All students are involved in relevant, hands-on, learning experiences that allow students to relate their studies to real life.

Lake Forest Academy Photo - Everyone at LFA belongs to one of four houses: Bird, Lewis, Sargent, or Welch. The four Houses compete in a series of mini competitions throughout the year, and the House that earns the most points wins!

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.

Average ACT Score
(Out of 36) Range: 24 36 Avg. Average ACT Score
(Out of 36): 28

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