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Smallest Average Class Size

Among "All Schools", view the boarding schools with the smallest average class sizes (2026).

Keep in mind that small statistical differences in average class sizes between schools do not always indicate better student performance at one school or another.

Also keep in mind that boarding schools in general have smaller average class sizes than public schools - even for schools with larger class sizes, a "large" class in a boarding school would still often be considered small by public school standards which often have class sizes of 20 students.

The Greenwood School Photo - At The Greenwood School, our interdisciplinary STEAM projects marry Science, Technology, Engineering, Art and Math. The projects are student inspired, serving as on-ramps for deeper study in areas they may have overlooked in the past.

Wolfeboro Camp School Photo - Exceptional Lakeside campus

Colorado Timberline Academy Photo - Fall Trip in the Slot Canyons

The Academy at SOAR Photo - The Academy at SOAR is an accredited private boarding school. Students will graduate with a high school diploma.

Academy of the Holy Family Photo - Ambassadors Club

St. Thomas More School Photo - Beautiful rural campus located in Eastern Connecticut - just 2.5 hours from NYC.

# Students Range: 4 12 Avg. # Students: 10

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