School Calendar

November 2025

04Nov14Nov
Year 11 Mock Exams

Exams

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10Nov
Year 12 Sociology in Action Trip

School Trips

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11Nov
Whole School Remembrance Assembly

11:00 | Special Event

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21Nov
GCSE Certificate Afternoon

14:30 - 15:30 | Special Event

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24Nov
Years 8 & 9 Winter House Sports

08:45 - 10:45 | Sporting Fixtures

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25Nov26Nov
Year 11 Geography Trip

School Trips

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26Nov
Friends of CGS Christmas Fair

18:00 - 21:00 | Special Event

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27Nov
Year 13 Progress Evening

17:00 - 19:30 | Parent Meetings

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27Nov
Years 10 & 11 Winter House Sports

08:45 - 10:45 | Sporting Fixtures

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27Nov
Years 12 & 13 Winter House Sports

13:40 - 15:40 | Sporting Fixtures

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28Nov
Year 7 Winter House Sports

08:45 - 10:45 | Sporting Fixtures

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December 2025

01Dec02Dec
Year 11 Art Mock Exam

Exams

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01Dec
Year 12 Oxford University Trip

School Trips

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03Dec
Year 12 @ Economics in Action

School Trips

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04Dec
Year 11 Progress Evening

17:00 - 19:30 | Parent Meetings

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05Dec
Year 10 History Trip - Jack the Ripper

School Trips

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08Dec
House Debate Final

13:40 - 14:40 | Special Event

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09Dec10Dec
Year 7 Panto Visit

12:00 - 15:30 | School Trips

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12Dec
Shakespeare Charity Day - Save the Children

Special Event

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15Dec
Christmas Words & Music

18:00 - 20:00 | Special Event

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16Dec
Christmas Lunch

12:30 - 14:30 | Special Event

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18Dec
End of Autumn Term - School closes @ 1:15pm

Term Dates

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January 2026

05Jan
Start of Spring Term for Whole School

Term Dates

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12Jan23Jan
Year 13 Mocks

Exams

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26Jan
Year 12 @ Westminster Abbey

School Trips

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28Jan
Year 11 English Mock

Exams

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29Jan
Year 9 Progress Evening

17:00 - 19:30 | Parent Meetings

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29Jan
year 7 MFL Spelling Bee

General Information

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30Jan
FoCGS Comedy Night

Special Event

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30Jan
Franklin House Charity Day

Special Event

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31Jan
DofE Training

School Trips

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31Jan
Gold DofE Training Day #1

School Trips

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31Jan
Bronze DofE Training Day #1

School Trips

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February 2026

02Feb06Feb
Years 11 & 13 Spanish Trip

School Trips

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04Feb
Senior Netball Tournament

Sporting Fixtures

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05Feb
Year 12 Higher Education Evening

18:00 - 19:00 | General Information

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07Feb
Silver DofE Training Day #1

School Trips

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13Feb
INSET Day

Special Event

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14Feb21Feb
Ski Trip to Austria

School Trips

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16Feb20Feb
Half-Term

Term Dates

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24Feb03Mar
Year 11 Food NEA

Exams

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March 2026

03Mar
Year 11 Netball Tournament

Sporting Fixtures

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05Mar
Year 10 Progress Evening

Parent Meetings

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09Mar
Year 10 Netball Tournament

Sporting Fixtures

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10Mar13Mar
School Show

19:00 - 21:00 | Productions

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13Mar14Mar
True Adventure - Peru, Training

School Trips

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16Mar18Mar
Year 7 Geography Trip

School Trips

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19Mar
Year 9 Netball Tournament

Sporting Fixtures

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19Mar
Year 8 Progress Evening

Parent Meetings

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20Mar
FoCGS Quiz Night

Special Event

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20Mar
FoCGS Non-Uniform & Krispy Kreme Day

Special Event

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24Mar
Year 7 Netball Tournament

Sporting Fixtures

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25Mar
Years 7 - 9 House Swimming

Sporting Fixtures

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26Mar30Mar
Gold DofE Practice Expedition

School Trips

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27Mar
End of Spring Term - school closes @ 1:15pm

13:15 | Term Dates

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27Mar29Mar
Silver DofE Practice Expedition

School Trips

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April 2026

13Apr
Start of Summer Term for Whole School

Term Dates

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13Apr29Apr
Years 11 & 13 Speaking Exams

Exams

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13Apr24Apr
Year 12 Exams

Exams

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20Apr28Apr
Year 10 Exams

Exams

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24Apr25Apr
Bronze DofE Practice Expedition

School Trips

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24Apr
SSLT Leadership Day @ Paccar Scout

School Trips

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May 2026

04May
Early May Bank Holiday

Term Dates

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07May22May
Public Exams

Exams

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13May
Year 10 Food Technology Trip

School Trips

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16May
Silver DofE Training Day #2

School Trips

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16May
Gold DofE Training Day #2

School Trips

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21May
Year 9 Military Day

General Information

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25May
Spring Bank Holiday

Term Dates

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25May29May
Half-Term

Term Dates

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June 2026

01Jun04Jun
Year 12 Geography Trip

School Trips

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01Jun17Jun
Public Exams

Exams

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04Jun
Year 12 Progress Evening

Parent Meetings

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05Jun08Jun
Year 10 Berlin Residential

School Trips

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10Jun14Jun
Gold DofE Assessed Expedition

School Trips

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10Jun12Jun
Summer House Sports

General Information

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15Jun17Jun
Year 10 Geography day trip

School Trips

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18Jun19Jun
Year 8 Battlefields Residential

School Trips

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20Jun
Bronze DofE Training Day #2

School Trips

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22Jun26Jun
Chesham Science Week

General Information

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24Jun
Sixth Form Induction Day (internal students)

General Information

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25Jun
Sixth Form Induction Day (external students)

General Information

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25Jun
Year 7 Progress Evening

17:00 - 19:30 | Parent Meetings

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30Jun
Sports Day

13:30 - 15:40 | Sporting Fixtures

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30Jun
Year 7 2026 New Parents Information Evening

18:00 - 19:30 | Parent Meetings

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July 2026

02Jul
Year 7 Open Evening

16:00 - 20:00 | Special Event

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03Jul05Jul
Silver DofE Assessed Exhibition

School Trips

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03Jul
INSET Day

Term Dates

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07Jul
Year 7 Transition Day

General Information

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08Jul11Jul
Year 7 Residential

School Trips

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09Jul
Year 10 World of Work Day

General Information

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10Jul11Jul
Bronze DofE Assessed Expedition

School Trips

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10Jul
Year 12 Criminology Day

General Information

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13Jul
Celebration of Sport Evening

18:00 - 20:00 | Special Event

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14Jul
House Performing Arts

General Information

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17Jul
End of Summer Term - school closes @ 1:15pm

13:15 | Term Dates

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  • No Category Set
  • Term Dates
  • Exams
  • FOCGS
  • General Information
  • Parent Meetings
  • Productions
  • School Trips
  • Sixth Form
  • Sporting Fixtures
  • Special Event
  • Cancelled