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fast facts2020-21 student profile

  • 213 students
  • 113 male, 100 female
  • 20% minority enrollment 

2020-21 class size

  • Sixth grade: 13
  • Seventh grade: 30
  • Eighth grade: 30
  • Ninth grade: 42
  • Tenth grade: 27
  • Eleventh grade: 31
  • Twelfth grade: 40

Number of full-time faculty members

  • 28 full-time
  • 21 hold master's degrees. Seventy-five percent of our teaching faculty hold a master's degree or greater. 

Student-to-faculty ratio

Ratio is 8:1 

Average class size

15 students 


  • Fall: Boys' and Girls' Cross Country, Boys' and Girls' Golf, Co-ed Soccer, Girls' Tennis, Girls' Volleyball, and Mid School Co-ed Soccer
  • Winter: Boys' Basketball, Girls' Basketball, Boys' Mid School Basketball, and Girls' Mid School Basketball
  • Spring: Girls' Softball, Boys' Baseball, Boys' Tennis, Girls' Mid School Softball, and Boys' Mid School Baseball
  • In 2018-19, nearly 70% of students participated in school sports. 

Friday afternoon clubs

  • Chess, Gardening, Chamber Ensemble, Movies, Arts & Crafts, Yearbook, and Sports just to name a few. Clubs are subject to change.  

Special clubs

  • Envirothon, Future Business Leaders of America (FBLA), MATHCOUNTS, Mock Trial, Pennsylvania Junior Academy of Science (PJAS), and Ski and Snowboarding Club. 

Standardized testing scores

  • MMI Class of 2019 average SAT score on the Redesigned SAT: 1254
    The 2018 state average was 1086 on the SAT and the national average on the SAT was 1068.
  • MMI Class of 2019 ACT composite score: 26
    The 2018 state average was 23.5 and the national average was 20.8. 

College matriculation record

  • Nearly 100% of MMI's most recent graduating class went on to continue their education.
  • The 28 graduates of 2020 earned $7.6 million in scholarships.
  • Graduates of the class are attending schools such as - Drexel, Harvard, Lafayette, Lehigh, The Pennsylvania State University, and the University of Pittsburgh.


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MMI Preparatory School is jointly accredited by the Pennsylvania Association of Independent Schools (PAIS) and the Middles States Association Commission on Elementary & Secondary Schools (MSA-CESS)
Considering MMI?



If you have any admissions questions, please contact:

Marci Hosier
Director of Enrollment Management & Marketing