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School Calendars and Schedules

MSMHS School Calendar

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May 2026
Monday Tuesday Wednesday Thursday Friday Sat/Sun
Monday, April 27
Tuesday, April 28
Wednesday, April 29
Thursday, April 30
Friday, May 1
Saturday, May 2
Sunday, May 3
Monday, May 4
Tuesday, May 5
Wednesday, May 6
Thursday, May 7
Friday, May 8
Saturday, May 9
Sunday, May 10
Monday, May 11
Tuesday, May 12
Wednesday, May 13
Subscribe to Calendar Alerts Early Dismissal Professional Development- Early Dismissal
Thursday, May 14
Friday, May 15
Saturday, May 16
Sunday, May 17
Monday, May 18
Tuesday, May 19
Wednesday, May 20
Subscribe to Calendar Alerts Early Dismissal Ealy Dismissal Gr. 9-11
Thursday, May 21
Friday, May 22
Saturday, May 23
Sunday, May 24
Monday, May 25
Subscribe to Calendar Alerts Holidays Memorial Day
Tuesday, May 26
Wednesday, May 27
Thursday, May 28
Friday, May 29
Saturday, May 30
Sunday, May 31

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

Great Hall Meeting,
Advisory

 Advisory  Shark Block

Great Hall Meeting,
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