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MSMHS School Calendar

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September 2026
Monday Tuesday Wednesday Thursday Friday Sat/Sun
Monday, August 31
Tuesday, September 1
Wednesday, September 2
Thursday, September 3
Friday, September 4
Saturday, September 5
Sunday, September 6
Monday, September 7
Holidays Labor Day
Tuesday, September 8
Wednesday, September 9
Thursday, September 10
Friday, September 11
Saturday, September 12
Sunday, September 13
Monday, September 14
Tuesday, September 15
Wednesday, September 16
Thursday, September 17
Subscribe to Calendar Alerts MSMHS Event Calendar Back to School Night
Friday, September 18
Subscribe to Calendar Alerts Early Dismissal Professional Development - Early Dismissal
Saturday, September 19
Sunday, September 20
Monday, September 21
Tuesday, September 22
Wednesday, September 23
Thursday, September 24
Friday, September 25
Saturday, September 26
Sunday, September 27
Monday, September 28
Tuesday, September 29
Wednesday, September 30
Thursday, October 1
Friday, October 2
Saturday, October 3
Sunday, October 4

Calendar & Category Legend:

  • Marine Science Magnet High School
    • Holidays Holidays
    • Regional PD Days Regional PD Days
    • Early Dismissal Early Dismissal
    • Back to School Night Back to School Night
    • End of Quarters End of Quarters
  • MSMHS Event Calendar MSMHS Event Calendar
School Hours
7:30 a.m. - 1:43 p.m.  (School is in session)
Office Hours
7:00 a.m. - 3:00 p.m. (Staff present in main office)
Building Hours
6:30 a.m. - 4:00 p.m. (Building supervised and accessible to students)
 
START END BLOCK
7:30 8:40 A1/B1
8:44 9:21 Advisory/Shark Block
9:25 10:35 A2/B2
10:39 12:28 A3/B3
10:39 11:09 Lunch 1
11:18 11:48 Lunch 2
11:58 12:28 Lunch 3
12:33 1:43 A4/B4

 

Shark Block/Advisory Day Schedule

Monday Tuesday Wednesday Thursday Friday
 Shark Block

Advisory

Great Hall Meeting,

Advisory

  Shark Block

Advisory

 

Delayed Opening Schedule - 2 Hour delay

*No Advisory or Shark Block on days with delayed opening

START END BLOCK
9:30 10:20 Block 1 (50 min)
10:23 11:13 Block 2 (50 min)
11:16 12:50 Block 3 (85 min)
11:16 11:46 Lunch 1
11:48 12:18 Lunch 2
12:20 12:50 Lunch 3
12:53 1:43 Block 4 (50 min)
 
Early Dismissal Schedule - Dismissal at 11:50 a.m.
*No advisory or Shark Block on early dismissal days
START END BLOCK
7:30 8:30 Block 1 (60 min)
8:35 9:30 Block 2 (55 min)
9:35 10:30 Block 3 (55 min)
10:35 11:50 Block 4 (55 min)
10:35 10:50 1st Lunch
11:05 11:20 2nd Lunch
11:35 11:50 3rd Lunch