Pinnacle is MTSU's chapter of the national Pinnacle Honor Society for nontraditional students, generally over the age of 25. ... Our MTSU chapter makes exceptions for students with adult responsibilities who are not yet 25. In addition to the 3.0 GPA required for undergraduates (3.4 for graduate students), Pinnacle looks at previous community service, volunteer work, and honors which the student has earned in life. read more