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Castro Valley High School

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Bell Schedules

  • Regular Day Schedule
    Mon. Thurs. Fridays – All Classes Meet

    Description / Period Start Time End Time Length
    Period 0 7:24 AM 8:24 AM 60 min
    Period 1 8:30 AM 9:27 AM 57 min
    Period 2 9:33 AM 10:30 AM 57 min
    Break 10:30 AM 10:45 AM 15 min
    Period 3 10:51 AM 11:48 AM 57 min
    Period 4 (Announcements) 11:54 AM 12:54 PM 60 min
    Lunch 12:54 PM 1:29 PM 35 min
    Period 5 1:35 PM 2:32 PM 57 min
    Period 6 2:38 PM 3:35 PM 57 min

  • Modified Regular Schedule 24-25
    8/6/25, 10/9/25, 1/6/26, 3/20/26, 3/23/26
    Release 2:30 pm
    All Classes Meet - Combined Lunch

    Description / Period Start Time End Time Length
    Period 0 7:38 AM 8:24 AM 46 min
    Period 1 8:30 AM 9:16 AM 46 min
    Period 2 9:22 AM 10:08 AM 46 min
    Break 10:08 AM 10:23 AM 15 min
    Period 3 10:29 AM 11:15 AM 46 min
    Period 4 11:21 AM 12:11 PM 50 min
    Lunch 12:11 PM 12:46 PM 35 min
    Period 5 12:52 PM 1:38 PM 46 min
    Period 6 1:44 PM 2:30 PM 46 min

  • Tuesday Block Schedule
    Periods 0, 1, 3, and 5 meet plus Trojan Time

    Description / Period Start Time End Time Length
    Period 0 7:54 AM 8:24 AM 30 min
    Period 1 8:30 AM 10:10 AM 100 min
    Trojan Time 10:16 AM 10:58 AM 42 min
    Break 10:58 AM 11:13 AM 15 min
    Period 3 11:19 AM 12:59 PM 100 min
    Lunch 12:59 PM 1:34 PM 35 min
    Period 5 1:40 PM 3:20 PM 100 min

  • Wednesday Block Schedule
    Periods 0, 2, 4, and 6 meet plus Trojan Time

    Description / Period Start Time End Time Length
    Period 0 7:24 AM 8:24 AM 60 min
    Period 2 8:30 AM 10:10 AM 100 min
    Trojan Time 10:16 AM 10:58 AM 42 min
    Break 10:58 AM 11:13 AM 15 min
    Period 4 11:19 AM 12:59 PM 100 min
    Lunch 12:59 PM 1:34 PM 35 min
    Period 6 1:40 PM 3:20 PM 100 min

  • Homecoming Day Schedule
    September 19 - All Classes Meet
    12:21 Dismissal

    Description / Period Start Time End Time Length
    Period 0 7:53 AM 8:24 AM 31 min
    Period 1 8:30 AM 9:01 AM 31 min
    Period 2 9:07 AM 9:38 AM 31 min
    Period 3 9:44 AM 10:15 AM 31 min
    Lunch Break 10:15 AM 10:30 AM 15 min
    Period 4 10:36 AM 11:07 AM 31 min
    Period 5 11:13 AM 11:44 AM 31 min
    Period 6 11:50 AM 12:21 PM 31 min

  • Pre-PSAT
    Tuesday, October 7, 2025
    All Grades Meet - Periods 1-4

    Description / Period Start Time End Time Length
    Period 0 7:55 AM 8:58 AM 63 min
    Period 1 9:04 AM 10:07 AM 63 min
    Break 10:07 AM 10:22 AM 15 min
    Period 2 10:28 AM 11:31 AM 63 min
    Pre-PSAT 11:37 AM 12:07 PM 30 min
    Lunch 12:07 PM 12:42 PM 35 min
    Period 3 12:48 PM 1:51 PM 63 min
    Period 4 1:57 PM 3:00 PM 63 min

  • PSAT Test Day (9th, 10th,and 11th)
    Wednesday, October 8, 2025

    Description / Period Start Time End Time Length
    Testing (9th, 10th, & 11th) 8:30 AM 11:52 PM 922 min
    12th Activities 9:34 AM 11:52 AM 138 min
    Lunch 11:52 AM 12:27 PM 35 min
    Period 5 12:33 PM 1:36 PM 63 min
    Break 1:36 PM 1:51 PM 15 min
    Period 6 1:57 PM 3:00 PM 63 min

  • Great Shake Out Earthquake Drill
    Thursday, Oct. 16, 2025
    All Classes Meet

    Great Shake Out Earthquake Drill
    All Classes Meet
    Description / Period Start Time End Time Length
    Period 0 7:34 AM 8:24 AM 50 min
    Period 1 8:30 AM 9:20 AM 50 min
    Period 2 9:26 AM 10:16 AM 50 min
    Break 10:16 AM 10:31 AM 15 min
    Period 3 Drill 10:37 AM 11:22 AM 45 min
    Period 3 11:22 AM 12:12 PM 50 min
    Period 4 12:18 PM 1:08 PM 50 min
    Lunch 1:08 PM 1:43 PM 35 min
    Period 5 1:49 PM 2:39 PM 50 min
    Period 6 2:45 PM 3:35 PM 50 min

  • 1st Semester Finals - Day 1
    Wednesday, Dec. 17, 2025

    Description / Period Start Time End Time Length
    Period 1 Final 8:30 AM 10:30 AM 120 min
    Brunch 10:30 AM 11:05 AM 35 min
    Period 2 Final 11:11 AM 1:11 PM 120 min
    Break 1:11 PM 1:26 PM 15 min
    Period 0 Final 1:32 PM 3:32 PM 120 min

  • 1st Semester Finals - Day 2
    Thursday, Dec. 18, 2025

    Description / Period Start Time End Time Length
    Period 3 Final 8:30 AM 10:30 AM 120 min
    Brunch 10:30 AM 11:05 AM 35 min
    Period 4 Final 11:11 AM 1:11 PM 120 min
    Break 1:11 PM 1:26 PM 15 min
    Make Up Final by Appointment 1:32 PM 3:32 PM 120 min

  • 1st Semester Finals - Day 3
    Friday, December 19, 2025

     

    Description / Period Start Time End Time Length
    Period 5 Final 8:30 AM 10:30 AM 120 min
    Brunch 10:30 AM 11:05 AM 35 min
    Period 6 Final 11:11 AM 1:11 PM 120 min
    Break 1:11 PM 1:26 PM 15 min
    Make-up Final (by Appt) 1:32 PM 3:32 PM 120 min

  • Fire Drill Bell Schedule
    Aug. 21, 2025 and March 26, 2026

    Description / Period Start Time End Time Length
    Period 0 7:34 AM 8:24 AM 50 min
    Period 1 8:30 AM 9:25 AM 55 min
    Period 2 9:31 AM 10:26 AM 55 min
    Break 10:26 AM 10:41 AM 15 min
    Period 3 10:47 AM 11:42 AM 55 min
    Period 3 Drill 11:42 AM 11:57 AM 15 min
    Period 4 12:03 PM 12:58 PM 55 min
    Lunch 12:58 PM 1:33 PM 35 min
    Period 5 1:39 PM 2:34 PM 55 min
    Period 6 2:40 PM 3:35 PM 55 min

  • SBAC Tuesday Schedule
    4/15/25, 4/22/25

    Description / Period Start Time End Time Length
    Period 0 7:27 AM 8:24 AM 57 min
    Period 1 8:30 AM 10:28 AM 118 min
    Break 10:28 AM 10:43 AM 15 min
    Period 3 10:49 AM 12:47 PM 118 min
    Lunch 12:47 PM 1:22 PM 35 min
    Period 5 1:28 PM 3:26 PM 118 min

  • SBAC Wednesday Schedule
    4/16/25, 4/23/25

     

    Description / Period Start Time End Time Length
    Period 0 7:27 AM 8:24 AM 57 min
    Period 2 8:30 AM 10:28 AM 118 min
    Break 10:28 AM 10:43 AM 15 min
    Period 4 10:49 AM 12:47 PM 118 min
    Lunch 12:47 PM 1:22 PM 35 min
    Period 6 1:28 PM 3:26 PM 118 min

  • 2nd Semester Finals - Day 1 Tuesday, May 26, 2026

    Description / Period Start Time End Time Length
    Period 1 Final 8:30 AM 10:30 AM 120 min
    Bunch 10:30 AM 11:05 AM 35 min
    Period 2 Final 11:11 AM 1:11 PM 120 min
    Break 1:11 PM 1:26 PM 15 min
    Period 0 Final 1:32 PM 3:32 PM 120 min

  • 2nd Semester Finals - Day 2
    Wednesday, May 27, 2026

    Description / Period Start Time End Time Length
    Period 3 Final 8:30 AM 10:30 AM 120 min
    Brunch 10:30 AM 11:05 AM 35 min
    Period 4 Final 11:11 AM 1:11 PM 120 min
    Break 1:11 PM 1:26 PM 15 min
    Make-up Final (by Appt) *By Appointment Only 1:32 PM 3:32 PM 120 min

     

  • 2nd Semester Finals - Day 3
    Thursday, May 28, 2026

     

    Description / Period Start Time End Time Length
    Period 5 Final 8:30 AM 10:30 AM 120 min
    Brunch 10:30 AM 11:05 AM 35 min
    Period 6 Final 11:11 AM 1:11 PM 120 min
    Break 1:11 PM 1:26 PM 15 min
    Make-up Final (by Appt) 1:32 PM 3:32 PM 120 min

  • Farewell/Academic Pep Rally
    Monday, May 18, 2026
    All Classes Meet - Combined Lunch

     

    Description / Period Start Time End Time Length
    Period 0 7:38 AM 8:24 AM 46 min
    Period 1 8:30 AM 9:16 AM 46 min
    Period 2 9:22 AM 10:08 AM 46 min
    Break 10:08 AM 10:23 AM 15 min
    Period 3 10:29 AM 11:15 AM 46 min
    Period 4 Assembly 11:21 AM 12:21 PM 60 min
    Period 4 Class Time 12:21 PM 1:07 PM 46 min
    Lunch 1:07 PM 1:42 PM 35 min
    Period 5 1:48 PM 2:34 PM 46 min
    Period 6 2:40 PM 3:26 PM 46 min

  • Graduation Day Schedule
    May 29, 2026 - All Classes Meet
    12:21 Dismissal

    Description / Period Start Time End Time Length
    Period 0 7:53 AM 8:24 AM 31 min
    Period 1 8:30 AM 9:01 AM 31 min
    Period 2 9:07 AM 9:38 AM 31 min
    Period 3 9:44 AM 10:15 AM 31 min
    Lunch Break 10:15 AM 10:30 AM 15 min
    Period 4 10:36 AM 11:07 AM 31 min
    Period 5 11:13 AM 11:44 AM 31 min
    Period 6 11:50 AM 12:21 PM 31 min
    Graduation Ceremony 4:00 PM — —

  • Welcome Back Assembly
    Aug. 15, 2025 - All Classes Meet

    Description / Period Start Time End Time Length
    Period 0 7:38 AM 8:24 AM 46 min
    Period 1 8:30 AM 9:16 AM 46 min
    Period 2 9:22 AM 10:08 AM 46 min
    Break 10:08 AM 10:23 AM 15 min
    Period 3 10:29 AM 11:15 AM 46 min
    Period 4 Assembly 11:21 AM 12:21 PM 60 min
    Period 4 Class Time 12:21 PM 1:07 PM 46 min
    Lunch 1:07 PM 1:42 PM 35 min
    Period 5 1:48 PM 2:34 PM 46 min
    Period 6 2:40 PM 3:26 PM 46 min

  • Special Schedule (1:30 Dismissal)
    Special Schedule for Friday, Aug. 29, 2025
     

    Description / Period Start Time End Time Length
    Period 0 7:48 AM 8:24 AM 36 min
    Period 1 8:30 AM 9:06 AM 36 min
    Period 2 9:12 AM 9:48 AM 36 min
    Break 9:48 AM 10:03 AM 15 min
    Period 3 10:09 AM 10:45 AM 36 min
    Period 4 10:51 AM 11:31 AM 40 min
    Lunch 11:31 AM 12:06 PM 35 min
    Period 5 12:12 PM 12:48 PM 36 min
    Period 6 12:54 PM 1:30 PM 36 min