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Northern Ireland · Grammar school

St Mary's Grammar

Magherafelt · Mixed (co-educational)

Official record: Schools Plus (DE reference 3420080)

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Overview

Address
3 Castledawson Road, Magherafelt, BT45 6BE
Status
Open
Admits
Mixed (co-educational)
Age range
Not yet available
Number of pupils
1,156
Capacity
Not yet available
Eligible for free school meals
6.6%
Sixth form
Not yet available
School type
Grammar · Voluntary
Religious character
Not yet available
Trust
Not yet available
Local authority
Not yet available

Source: School census and Schools Plus reference data, last checked 31 October 2026 · Source: Desk research (cited public sources) (eani.org.uk), last checked 31 October 2026

Admissions and the 11+

Admissions policy
Selective (grammar school)
Selection in this area
Northern Ireland transfer testMost grammar schools in Northern Ireland admit pupils using transfer tests run outside the statutory system. Check each school's admissions criteria.
Entrance test
Not yet available
Qualifying score
Not yet available
Catchment area
For September 2026 entry, there is no catchment area. Children living in Northern Ireland are considered before children living elsewhere; places then go in SEAG score order, highest first, up to 153, with brothers or sisters, eldest child, age and a random order used only for tied scores.
Children from outside the catchment
Yes: For September 2026 entry, there is no catchment area, so any child living in Northern Ireland can apply and is ranked on the same basis; children living outside Northern Ireland are considered only after them.

Source: School census and Schools Plus reference data, last checked 31 October 2026 · Source: Admissions research (cited public sources) (stmarysmagherafelt.com), last checked 1 November 2026

Key dates for September 2027 (Year 8) entry

Test registration (Northern Ireland SEAG)
18 May 2026 to 18 September 2026
Test date
14 November 2026, 21 November 2026Paper 1 on 14 Nov, Paper 2 on 21 Nov; contingency date 28 Nov only if neither can be held. Parents register with SEAG (the 2026 registration has closed). Apply through the Education Authority portal by 12 noon on Wednesday 3 March 2027; appeals by 4pm on 20 May 2027 (nidirect).
Results sent to families
23 January 2027
Open days
Not yet available
School opened (current registration)
Not yet available

Unverified: test dates come from desk research (high confidence). Confirm them with the council or test organiser. Sources: seagni.co.uk/guidance/key-dates, seagni.co.uk/latest-news/last-days-to-register-pupils-for-the-2026-seag-entrance-assessment, nidirect.gov.uk.

Guide to the Northern Ireland SEAG and its schools

Source: Test dates research (cited public sources) (seagni.co.uk), last checked 1 November 2026

Inspection (ETI)

Last inspection
Not yet available
Inspection outcome
Not yet available

Source: not yet available

Exam results

GCSE results
Not yet available
A level results
Not yet available

Source: not yet available

How to get there

Postcode
BT45 6BE
Map location
54.75753, -6.60164Approximate: postcode centroid.
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Directions and surroundings ↗
Telephone
Not yet available

Source: School census and Schools Plus reference data, last checked 31 October 2026 · Source: Postcode centroids (ONS Postcode Directory), last checked 31 October 2026

School website
www.stmarysmagherafelt.com
Official register record
Schools Plus (DE reference 3420080) ↗
Admissions policy document
Not yet available
Further reading
Wikipedia ↗

Source: Desk research (cited public sources) (stmarysmagherafelt.com), last checked 31 October 2026