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School Calendars and Schedules

MSMHS School Calendar

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July 2025
Monday Tuesday Wednesday Thursday Friday Sat/Sun
Monday, June 30
Tuesday, July 1
Wednesday, July 2
Thursday, July 3
Friday, July 4
Saturday, July 5
Sunday, July 6
Monday, July 7
Tuesday, July 8
Wednesday, July 9
Thursday, July 10
Friday, July 11
Saturday, July 12
Sunday, July 13
Monday, July 14
Tuesday, July 15
Wednesday, July 16
Thursday, July 17
Friday, July 18
Saturday, July 19
Sunday, July 20
Monday, July 21
Tuesday, July 22
Wednesday, July 23
Thursday, July 24
Friday, July 25
Saturday, July 26
Sunday, July 27
Monday, July 28
Tuesday, July 29
Wednesday, July 30
Thursday, July 31
Friday, August 1
Saturday, August 2
Sunday, August 3

Calendar & Category Legend:

  • Marine Science Magnet High School
    • Holidays
    • Regional PD Days
    • Early Dismissal
    • Back to School Night
    • End of Quarters
  • 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