Noun
parent-teacher association (plural parent-teacher associations)
A formal organization composed of parents, teachers, and staff that is intended to facilitate parental participation in a public or private school.
Synonyms: parent-teacher organization, (initialism) PTA
Since then, the primary locus of Ohringer’s activism seems to be the Parent-Teacher Association at her children’s suburban public school; she spends a significant chunk of our two and a half hour long conversation telling me about her tenure as President. Source: Internet
The first folks listed were the president of the Parent-Teacher Association and her spouse — an understandable choice since the PTA sponsored the “wedding.” Source: Internet