H.S. supporters WSJ Crossword Clue

Think of a group where parents and teachers collaborate for the benefit of students.

???? are organizations that involve parents and teachers working together to support and improve schools.

The clue 'H.S. supporters' refers to organizations that support high schools. 'H.S.' stands for 'high school,' and '????' are Parent-Teacher Associations, which are groups that support schools through fundraising and organizing events.

School support grps., Orgs. that may host read-a-thons, Grps. that are often inactive in the summer, School support orgs., Organizers of book fairs, for short