Academic Year 2019-20
First Semester
| First Semester | |
|---|---|
| August 5 | Administration Begins |
| August 6 - 9 | New Teacher Orientation |
| August 7 | All ACS Day at Cobham |
| August 12 - 16 | Pre-Planning (all faculty & staff) |
| August 19 | First Day of School/Quarter 1 Begins |
| August 26 | National Bank Holiday/School Closed |
| October 3 - 4 | ACS Egham PTSC |
| October 7 - 8 | Cobham EC/LS/MS PTSC |
| October 17 - 25 (inc) | School Closed / October Break |
| October 28 | Students Return to School |
| November 1 | End of Quarter 1 |
| November 4 | School Closed/Teacher PLC Inservice Day |
| November 5 | Quarter 2 Begins |
| November 14-15 | Hillingdon PTSC |
| December 17 | Last Day of School/Noon Dismissal |
| December 18 - January 7 | School Closed/December Break |
| January 6 - 7 | School Closed/Teacher PLC Inservice Day |
| January 24 | End of Quarter 2/Semester 1 |
| January 27 | Semester 2 Begins/Quarter 3 Begins |
Second Semester
| Second Semester | |
|---|---|
| February 6-7 | Cobham EC/LS/MS/HS PTSC |
| February 17 - 21 | School Closed/February Break |
| March 5 - 6 | Egham PTSC/Hillingdon PTSC |
| April 3 | Quarter 3 Ends |
| April 6 | Quarter 4 Begins |
| April 9 | Last Day of School |
| April 10 - 24 (inc) | School Closed/Spring Break |
| May 8 | National Bank Holiday/School Closed |
| May 25 | National Bank Holiday/School Closed |
| May 29 | Egham Graduation |
| June 4 | Hillingdon Graduation |
| June 5 | Cobham Graduation |
| June 24 | Last Day of School/Quarter 4 Ends/Semester 2 Ends/Noon Dismissal |
| June 25 - 26 | Post-Planning |
| June 29 - 30 | Admin Days |
Semester Dates
| Semester Dates | |
|---|---|
| Semester 1 | Aug 19 - Jan 24 (inc) |
| Semester 2 | Jan 27 - June 24 (inc) |
Quarter Dates
| Quarter Dates (ends on) | |
|---|---|
| Quarter 1 | November 1 |
| Quarter 2 | January 24 |
| Quarter 3 | April 3 |
| Quarter 4 | June 24 |
Academic Year 2020-21
2020 |
|
| August 24 | Students' 1st Day of School |
| August 31 | National Bank Holiday School Closed |
| October 15 (4pm- 7:15pm) | Hillingdon's Student Progress Conferences |
| October 16 (8:30am-3:30pm) | Hillingdon's Student Progress Conferences (& no school for students) |
| October 23-30 | School Closed / October Break |
| December 18 | Last day of school, Noon Dismissal |
| December 21-January 1 | School Closed / December Break |
2021 |
|
| January 4-5 | School Closed (ACS Teacher PLC Inservice Day) |
| January 6 | School Returns |
| January 18 | Semester 2 Begins |
| February 15-19 | School Closed / February Break |
| March 4 (4pm- 7:15pm) | Hillingdon's Student Progress Conferences |
| March 5 8:30am-3:30pm) | Hillingdon's Student Progress Conferences (& no school for students) |
| April 2-16 | School Closed / Spring Break |
| April 29 - May 21 |
IB DP & MYP, AP Examination Period |
| May 3 | May Bank Holiday (except examinations) |
| May 28 | Egham Graduation |
| May 31 | May Bank Holiday |
| June 3 | Hillingdon Graduation |
| June 4 | Cobham Graduation |
| June 18 | Students' Last Day of School, Noon Dismissal |