Mount Sackville Secondary School
Dublin 20, Co. Dublin
636 studentsGirlsFee-payingSecondaryTY
Work-to-rule: some evening events, including open nights, may not go ahead. Check with the school. What it means
Applying for September 2027
- Applications open
- Thursday, 1 October (passed)Application forms available to download
- Applications close
- Wednesday, 21 OctoberAdd to calendar
- Offers by
- Friday, 6 NovemberAdd to calendar
- Accept by
- Friday, 20 NovemberAdd to calendar
From the school's website (1), the school's website (2), checked 17 October. Always confirm with the school.
Never miss a date. Get a notification the day before an open night, and before applications close.
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Students this year
636 students, by year group. Department of Education, 2025/26.
- 1st year
- 98
- 2nd year
- 124
- 3rd year
- 118
- TY
- 105
- 5th year
- 101
- 6th year
- 90
Transition Year: 105 students are in Transition Year, about as many as in 3rd year. That usually means most students take it. Ask whether it's optional.
What it costs
- Tuition fees
- Fee-paying. Check the school's website for this year's fees.
At a glance
Mount Sackville Secondary School is a voluntary secondary school in Dublin 20, Co. Dublin (Eircode D20 WP68). Mount Sackville Secondary School has 636 students: 636 girls, according to the Department of Education's 2025/26 figures.
- Type
- Voluntary secondary school
- Boys and girls
- Girls only · 636 girls
- Fees
- Fee-paying
- Ethos
- Catholic
- Patron
- Le Chéile Schools Trust
- Language
- English-medium
- Day or boarding
- Day school
- DEIS
- No
- Roll number
- 60120W
Inspection reports for this school from the Department of Education, on gov.ie
Explained: fee-paying or free · types of school · how to choose
Questions parents ask
- Where is Mount Sackville Secondary School?
- Mount Sackville Secondary School is a voluntary secondary school in Dublin 20, Co. Dublin (Eircode D20 WP68).
- How many students go to Mount Sackville Secondary School?
- Mount Sackville Secondary School has 636 students: 636 girls, according to the Department of Education's 2025/26 figures.
- Who is the principal of Mount Sackville Secondary School?
- Eileen Higgins is the principal of Mount Sackville Secondary School, according to the Department of Education's 2025/26 schools list.
- Is Mount Sackville Secondary School a mixed school?
- No. Mount Sackville Secondary School is a girls' school.
- Is Mount Sackville Secondary School fee-paying?
- Yes. Mount Sackville Secondary School is a fee-paying school. Check the school's website for this year's fees.
- What is the ethos of Mount Sackville Secondary School?
- Mount Sackville Secondary School has a Catholic ethos. Its patron is Le Chéile Schools Trust.
- Does Mount Sackville Secondary School teach through Irish?
- No. Mount Sackville Secondary School teaches through English, with Irish taught as a subject.
- Does Mount Sackville Secondary School have Transition Year?
- 105 students are in Transition Year, about as many as in 3rd year. That usually means most students take it. Ask whether it's optional.
- Is Mount Sackville Secondary School a DEIS school?
- No. Mount Sackville Secondary School is not part of the DEIS programme.
- Where can I read Mount Sackville Secondary School's inspection reports?
- The Department of Education publishes school inspection reports on gov.ie. Search there by Mount Sackville Secondary School's roll number, 60120W, or use the link on this page.
- What other secondary schools are near Mount Sackville Secondary School?
- The closest is Castleknock College. The table on this page compares the nearest schools by distance, size, type and fees.
Closest secondary schools
| School | Distance | Students | Boys and girls | Type | Fees | Next date | Irish-medium | DEIS |
|---|---|---|---|---|---|---|---|---|
| Mount Sackville Secondary SchoolThis school | 636 | Girls | Secondary | Fee‑paying | Applications close, Wed, 21 Oct | No | No | |
| Castleknock CollegeDublin 15 | 1.2 km | 771 | Boys | Secondary | Fee‑paying | Applications close, Thu, 22 Oct | No | No |
| Kylemore CollegeDublin 10 | 1.7 km | 479 | Mixed | Community college (ETB) | Free | None found yet | No | Yes |
| St. Seton's Secondary SchoolDublin 10 | 1.7 km | 741 | Mixed | Secondary | Free | Applications close, Thu, 22 Oct | No | Yes |
| Phobailscoil IosoldeDublin 20 | 1.8 km | 764 | Mixed | Community school | Free | None found yet | No | Yes |
| Edmund Rice CollegeDublin 15 | 1.9 km | 912 | Mixed | Secondary | Free | None found yet | No | No |
| The Kings HospitalDublin 20 | 1.9 km | 732 | Mixed | Secondary | Fee‑paying | None found yet | No | No |
Straight-line distances. Compare with the two closest · See more schools near here.
Spotted something wrong on this page?
Contact
Tower RoadChapelizod
Dublin 20
D20WP68
- Principal: Eileen Higgins on the Department of Education's 2025/26 schools list
- Phone: 01 821 3317
- Email: [email protected]
- Website: www.mountsackville.ie
- Open in Google Maps
Primary schools nearby
On our sister site, primaryschool.ie
- Scoil Mhuire100 m
- St Michaels Special School400 m
- Stewarts School900 m
- Scoil Lorcain B1.1 km
- Scoil Bride C1.2 km
Next school holidays
- In 9 daysOctober mid-term breakMon, 26 October to Fri 30 October 2026
- In 10 weeksChristmas holidaysWed 23 December 2026 to Tue 5 January 2027
- In 17 weeksFebruary mid-term breakMon, 15 February to Fri 19 February 2027
These dates are set for every secondary school in Ireland. Check with Mount Sackville Secondary School for any extra days off and the last day in June. Get reminders · All term dates · Add to Google Calendar