The Park Slope Halloween Parade begins tonight at 6:30PM at 14th Street and 7th Ave. It will travel north to 3rd Street, then turn left, continuing down 3rd Street to end the Old Stone House (Washington Park (formerly JJ Byrne) at 5th Avenue between 3rd and 4th streets).

Earlier in the day there are a bunch of events in front of John Jay High School:

3:00pm – 6:30pm  Free Photos in front of John Jay High School

3:00pm – 3:55pm  Registration for the Costume Contest

4:00pm – 5:00pm  Costume Contest

5:00pm – 6:00pm  Musical Performance by Ethan’s Motley Rockin’ Show (also in front of John Jay)