Secondary school · Hounslow
St Mark's Catholic School term dates
St Mark's Catholic School breaks up for October Half Term on — back to school .
Never miss another school trip, deadline or costume day
These are Hounslow council's standard term dates. We don't have St Mark's Catholic School's own dates yet — most schools follow these, but academies and some schools set their own dates and INSET (teacher training) days, so check with the school.
School holidays
October Half Term
Last day of school:
Back to school:
Christmas Holiday
Last day of school:
Back to school:
February Half Term
Last day of school:
Back to school:
Easter Holiday
Last day of school:
Back to school:
May Half Term
Last day of school:
Back to school:
Summer Holiday
Last day of school:
Return date not announced yet
Hounslow council's standard term dates. Always double-check major plans with the school directly. Last updated .
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Where: Hounslow TW3 3EJ
Phase: Secondary
Ages: 11 to 18
Pupils: 1,214
Trust: The Diocese of Westminster Academy Trust
Map: See where St Mark's Catholic School is
Website: www.st-marks.hounslow.sch.uk
Ofsted
Rated Outstanding at its last full inspection, September 2022.
- Sixth formOutstanding
- Personal developmentOutstanding
- Quality of educationOutstanding
- Behaviour and attitudesOutstanding
- Leadership and managementOutstanding
From Ofsted's published inspection data (as at 31 August 2001). Read the full report on Ofsted
Quick answers
When does St Mark's Catholic School break up for the October half term?
The last day of school before October Half Term is Friday, 23 October 2026. This is from Hounslow council's standard term dates — St Mark's Catholic School may set its own, so check with the school.
When do pupils go back to St Mark's Catholic School?
Pupils return on Monday, 2 November 2026. INSET days can change this for individual year groups — the school's own letters are always the final word.