The Madeira School

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Lowest Student-Teacher Ratio

The average student-teacher ratio across the 19 ranked all-girls boarding schools is 6:1 (2026-27).

Among all-girls boarding schools, the one with the lowest student-teacher ratio is Academy of the Holy Family, with 4:1.

Quick Facts (26-27)

# All-Girls Schools Ranked: 19
Top 20 Range (Student-Teacher Ratio): 4:1–9:1
All-Girls Schools Avg.: 6:1
National Avg.: 8:1

Quick Facts (26-27)

# All-Girls Schools Ranked: 19
Top 20 Range (Student-Teacher Ratio): 4:1–9:1
All-Girls Schools Avg.: 6:1
National Avg.: 8:1

National Average Student-Teacher Ratio (Trends)

Showing 2016–2025. Full 12-year historical data available below ↓

Total Growth: +4.1% (+0.3 since 2016)

View Data

Year	National avg	YoY Change (#)	YoY Change (%)
2025	7.6	▲ +0.2	▲ +2.7%
2024	7.4	▲ +0.1	▲ +1.4%
2023	7.3	▲ +0.1	▲ +1.4%
2022	7.2	▲ +0.1	▲ +1.4%
2021	7.1	— 0	— 0.0%
2020	7.1	▼ -0.2	▼ -2.7%
2019	7.3	— 0	— 0.0%
2018	7.3	— 0	— 0.0%
2017	7.3	— 0	— 0.0%
2016	7.3	▼ -0.1	▼ -1.4%
2015	7.4	▼ -0.1	▼ -1.3%
2014	7.5	—	—

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Show school map — National (S:T Ratio range: 4:1–9:1, avg 6:1)

S:T Ratio Range: 4:1 9:1 Avg. S:T Ratio: 6:1

Frequently Asked Questions

Which all-girls boarding schools have the lowest student-teacher ratio?

The all-girls boarding schools with the lowest student-teacher ratio are Academy of the Holy Family, The Madeira School and Westover School.

How many all-girls boarding schools are ranked for the lowest student-teacher ratio?

19 all-girls boarding schools are ranked for the lowest student-teacher ratio.

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Did You Know?

Student:teacher ratios are only one indicator of student attention, as they merely indicate the number of adults on campus (in a teacher-related capacacity) relative to the number of students.

The student:teacher ratio is different than the average class size at a school and should not be confused as such.