The averageprivate elementary school ACT score in Massachusetts is 29 (2026).
The private elementary school in Massachusetts with the highest ACT score is Groton School and The Rivers School, each with an ACT score of 33.
Quick Facts (2026)
- # MA Schools Ranked: 18
- Top 20 Range (Avg ACT): 23–33
- MA School Avg.: 28.6
- National School Avg.: 26


















