N.M. Stat. § 22-8-23.8
The home school student activities program unit for a school district is determined by multiplying the number of home school students who are participating in school district activities governed by the New Mexico activities association by the cost differential factor of 0.1. The home school student activities program unit shall be paid to the school district in which it is generated. A home school student is eligible to participate in up to three school district activities at the public school in the attendance zone in which the student resides, according to the New Mexico activities association guidelines. The school district shall verify each home school student's academic eligibility to participate in school district activities. As used in this section, "activities" means athletics, co-curricular and extracurricular activities sanctioned by the New Mexico activities association.
NMS § 22-8-23.8