- Q300 School Academic Calendar for 2019-2020 can be found here (PDF). Visit the school website http://www.ps300q.org/calendar.html for the latest calendar.
- Q300 PTA Calendar for 2019-2020 can be found here (PDF). For updates and more information about each event, visit the Q300 PTA website at https://www.q300pta.net/.
- DOE Assessment Calendar for 2019-2020. For assessment dates and other calendars, please visit https://www.schools.nyc.gov/calendar.