The Bylaws of the CVHS PTO govern board policy and procedure.
http://vanguardian.org/wp-content/uploads/2019/02/BYLAWS-OF-CARNEGIE-VANGUARD-PTO.pdf
The Appendix describes committee structure and mission.
http://vanguardian.org/wp-content/uploads/2019/02/CVHS-PTO-BYLAWS-Appendix-A-Committees.pdf