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Top 20 Best New York Private Schools Belonging to Middle States Association of Colleges and Secondary Schools (2025)

For the 2025 school year, there are 89 private schools belonging to Middle States Association of Colleges and Secondary Schools serving 33,548 students in New York. You can also find more schools membership associations in New York.

The private schools belonging to Middle States Association of Colleges and Secondary Schools in New York include Iona Preparatory School, The Knox School, and Aquinas Institute.

The average tuition cost is $19,238, which is lower than the New York private school average tuition cost of $22,334.

81% of private schools belonging to Middle States Association of Colleges and Secondary Schools in New York are religiously affiliated (most commonly Catholic and Christian).

The Knox School Photo - Founded in 1904, The Knox School is Long Island`s oldest established private school. Our inclusive environment serves grades 6-12 and Post-Graduate, providing students with a broad world perspective and a wide range of skills to prepare them for the next phase of their journeys.

Fusion Academy Brooklyn Photo - Classes at Fusion are one-to-one: one student and one teacher per classroom. Students have different teachers for different subjects, and teachers act as mentors in the one-to-one setting.

The Windsor School Photo - Each year, our graduation ceremony takes places at Queens Botanical Garden. We are proud of our 100% graduation rate each year dating back to 1969, our first graduating class. Our graduates gain acceptance to top colleges and universities with substantial scholarship offers.

The Chapel School Photo - The Chapel School Select Choir has been invited back to sing the National Anthem at a NY Mets game for the past 15 straight years!

Iona Preparatory School Photo - Track Titles

Woodland Hill Montessori School Photo - Woodland Hill Montessori- All School Photo

Rochester Christian School Photo - Open Houses

The Stony Brook School Photo - The Stony Brook School, founded in 1922, is an independent college preparatory school (grades 7-12) that exists to challenge young men and women to know Jesus Christ as Lord, to love others as themselves, and to grow in knowledge and skill, in order that they may serve the world through their character and leadership. "Character Before Career"

The Storm King School Photo - Campus in winter

St. Francis Of Assisi Catholic Academy Photo - Our graduates of 2012 pose for a photo.

Buffalo Academy Of The Sacred Heart Photo

Our Lady Of Mercy School For Young Women Photo - Our Lady of Mercy School for Young Women is the only college preparatory, faith-based private school, exclusively for young women in the Rochester region. We build life-changing competence, confidence, and compassion that prepares and inspires young women to achieve the highest level of success in college, in career, and in the community.

Dwight School Photo - Located steps away from Central Park on Manhattan's Upper West Side, Dwight has been igniting the spark of genius in every child since 1872.

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