Events

May 1 Fri
- Spring Musical - Balloon Boy 7 PM – 9 PM
  Harbor Citizens Calendar
May 2 Sat
- Spring Musical - Balloon Boy 7 PM – 9 PM
  Harbor Citizens Calendar
May 3 Sun
- Spring Musical - Balloon Boy 2 PM – 4 PM
  Harbor Citizens Calendar
May 4 Mon
- AP Biology Exam (Morning)
  Harbor Citizens Calendar
May 5 Tue
- Choir Concert 7 PM – 8 PM
  Harbor Citizens Calendar
May 7 Thu
- Beach Sweep 3:30 PM – 5 PM
  Harbor Citizens Calendar
- Band Concert 7 PM – 8 PM
  Harbor Citizens Calendar
May 9 Sat
- Prom 8 PM – 11 PM (Wild Rose at Norway Hall, 21 N Lake Ave, Duluth, MN 55802, USA)
  Harbor Citizens Calendar
May 11 Mon
- AP Calculus Exam (Morning)
  Harbor Citizens Calendar
- Climate Action Project and Climate Justice Education Showcase 3:30 PM – 4:15 PM
  Harbor Citizens Calendar
- HCIS student, staff, community canvas art show 4 PM – 6 PM
  Harbor Citizens Calendar
May 12 Tue
- AP Precalculus Exam (Morning)
  Harbor Citizens Calendar
- AP Psychology Exam (Afternoon)
  Harbor Citizens Calendar
- Musical Theater Performance 7 PM – 8 PM
  Harbor Citizens Calendar
May 13 Wed
- AP English Language and Composition Exam (Morning)
  Harbor Citizens Calendar
May 14 Thu
- AIPAC Meeting 5 PM – 6 PM
  Harbor Citizens Calendar
May 15 Fri
- Mawadishiwe 12:15 PM – 3:24 PM
  Harbor Citizens Calendar
May 19 Tue
- Symposium 5/19/2026 – 5/22/2026
  Harbor Citizens Calendar
- Action Club Team End of Year Dinner 5:30 PM – 6:30 PM
  Harbor Citizens Calendar
May 20 Wed
- Symposium 5/19/2026 – 5/22/2026
  Harbor Citizens Calendar
May 21 Thu
- Symposium 5/19/2026 – 5/22/2026
  Harbor Citizens Calendar
- Board Meeting 7 PM – 9 PM
  Harbor Citizens Calendar
May 22 Fri
- Symposium 5/19/2026 – 5/22/2026
  Harbor Citizens Calendar
May 26 Tue
- Last Day of Symposium
  Harbor Citizens Calendar
May 27 Wed
- Last Day of School Celebration
  Harbor Citizens Calendar

Events in May 2026
Su	Mo	Tu	We	Th	Fr	Sa
				One event •	One event •	One event •
One event •	One event •	One event •		2 events ••		One event •
	3 events •••	3 events •••	One event •	One event •	One event •
		2 events ••	One event •	2 events ••	One event •
		One event •	One event •
					One event •	One event •