From the MIAA Handbook July 1, 2013 - June 30, 2015, p. 52
54. Student Eligibility: Home Educated Students
A home-educated student is eligible to participate in interscholastic athletics if the following conditions are met:
The local school committee of a MIAA public school member institution has adopted a policy regarding participation of home educated students on the high school teams, and the local building principal has indicated such on the annual MIAA membership form while including all home schoolers in the annual MIAA enrollment report.
The Educational Plan for the home-educated student has been approved by the public school Superintendent or his/her designee.
The Principal has determined appropriate high school grade level placement (9-12) for each home educated student in conjunction with chronological age and educational plan.
The student resides in the school district that serves the high school, and is living with his/her parents or legal guardians in the family residence. In multiple school districts, a home-educated student must be assigned to the school of record in the same manner as other students.
The Principal is satisfied that the student meets the standards for athletic participation required for all other students as defined in the current MIAA Handbook. This includes, but is not limited to, those rules governing transfers, academic eligibility, age requirements, and the number of consecutive seasons of athletic eligibility beyond grade eight.
MIAA requirements relative to academic eligibility must be certified by the Principal at the same times that all other student athletes are to be certified as academically eligible.
If the Principal determines that all eligibility standards detailed above have been met, the Principal may declare the student eligible to participate in interscholastic competition. The rights, privileges, and responsibilities associated with all other student athletes attending MIAA member schools will apply to home educated students who have satisfied the requirements above.
Massachusetts Interscholastic Athletic Association Bluebook