Simple categories matching schoolwide:

• happening,
• event,
• activity,

Members with property schoolwide:

• graduation,
• assembly,
• choral_competition,
• project,
• christmas_assembly,
• career_day,
• orientation,
• school_election,
• special_fair,
• prom,
• holiday_celebration,
• carnival,
• homecoming,
• open_house,
• dance,
• community-service_drive,
• olympics,
• latino_celebration,
• fall,
• homecoming_festivity,
• fair,
• commencement,
• celebration,
• turnabout,
• poster_contest,
• school,
• math_night,
• family_math,
• sport_festival,