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% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for School gathering:

FISH: School gathering
MIXER: School gathering
ASSEMBLY: School gathering
LUNCHROOMS: Schools' gathering places
ASSEMBLY: Grade-school gathering
TRAWL: With 36-Across, school gathering equipment
SHOALED: Gathered in schools
FIELDDAY: Outdoor gathering, as a school picnic