About Glenthorne High School
Glenthorne High School is a non-selective state school in Sutton, London. It is NOT a grammar school. Admission is via the London Borough of Sutton's standard secondary school application process, based on oversubscription criteria. Parents interested in selective education should look at the Sutton SET (Selective Eligibility Test) schools including Wilson's School, Sutton Grammar, Nonsuch and Wallington.
Glenthorne High School provides an excellent education with high academic standards and a broad curriculum. GCSE 9–7: 48%. A-Level A*–B: 63%.
About Admissions to Glenthorne High School
Glenthorne High School is a non-selective state school in Sutton, south London. There is no academic 11+ entrance test for Year 7 — admission is through Sutton’s coordinated secondary admissions process, applying via your home Local Authority’s Common Application Form.
As a non-selective school there is no 11+ selection. Places are allocated on the published oversubscription criteria (looked-after children, siblings, distance and any priority arrangements), not by a test score. Check the school’s current admissions arrangements for details.
Apply through your Local Authority by the Common Application Form deadline (31 October); National Offers Day is in early March. Always confirm the current arrangements on the school’s own admissions pages.
Year 7 Admissions Guide for Glenthorne High School
Glenthorne High School Admissions Criteria
Glenthorne High School is a non-selective state school in Sutton, London. It is NOT a grammar school. Admission is via the London Borough of Sutton's standard secondary school application process, based on oversubscription criteria. Parents interested in selective education should look at the Sutton SET (Selective Eligibility Test) schools including Wilson's School, Sutton Grammar, Nonsuch and Wallington.
- ✓Apply via the London Borough of Sutton's standard secondary school application process.
- ✓No 11+ entrance examination required.
- ✓Places allocated by oversubscription criteria: looked-after → siblings → medical/social → catchment → distance.
- ✓Apply via Sutton LA CAF by 31st October 2026.
Glenthorne High School Oversubscription Criteria
If applications exceed the 240 Year 7 admission number, the Board of Governors / Trust applies the following criteria in priority order. Final ranking uses the standardised score achieved in the GL Assessment 11+ entrance test.
- Looked-after / previously looked-after children (highest priority by law)
- Children who achieve the qualifying mark in the entrance test (above the qualifying standard set by Glenthorne High School)
- Children eligible for Pupil Premium / Free School Meals Entitlement (FSME)
- Children with an Education, Health and Care Plan (EHCP) naming the school
- Children with sibling(s) currently attending the school
- Children of staff (where staff member has worked at the school for 2+ years)
- Children ranked by total standardised score (highest first) up to the published admission number
- Tiebreak: distance from home to school (straight-line measurement) for children with equal scores
Key Dates & Deadlines — Glenthorne High School 2026 Entry
| 📌 Registration opens | May 2025 via individual school portals |
| 📌 Registration closes | Mid-July 2025 (varies by consortium) |
| 📌 GL Assessment 11+ Entrance Test | Mid-September 2025 (varies — Sutton, Kingston, Wallington consortiums have different dates) |
| 📌 Test results released | Mid-October 2025 |
| 📌 CAF deadline (apply via Local Authority) | Friday 31 October 2025 |
| 📌 National Offers Day | Monday 2 March 2026 |
How to Apply to Glenthorne High School via the Common Application Form
Step 1 — Register your child for the GL Assessment 11+ Test
Register through your regional 11+ portal (e.g. London) when registration opens. Closes Mid-July 2025 (varies by consortium). There is no fee to sit the GL Assessment test.
Step 2 — Attend an Open Day at Glenthorne High School
Visit during Year 5 or early Year 6 to meet staff and pupils and decide whether to list this school on your CAF.
Step 3 — Sit the GL Assessment Entrance Test
Your child sits the GL Assessment in Mid-September 2025. The test typically covers English, Mathematics, Verbal Reasoning and Non-Verbal Reasoning, with standardised scores age-adjusted.
Step 4 — Receive your standardised test results
Test results are released to parents on Mid-October 2025, BEFORE the Common Application Form deadline. You will receive a standardised score and an indication of whether your child has passed the qualifying mark.
Step 5 — Complete your Common Application Form (CAF)
List Glenthorne High School as one of your preferences on the CAF submitted via your home Local Authority (not the school's LA, unless they are the same). You can usually list 3-6 preferences depending on your LA.
Step 6 — Submit the CAF by the deadline
Submit your CAF by Friday 31 October 2025. Late applications are processed only after all on-time applications have been allocated, dramatically reducing your chance of a place.
Step 7 — Receive your school offer on National Offers Day
Offers are issued via your Local Authority on Monday 2 March 2026. If unsuccessful, you can appeal or join Glenthorne High School's waiting list — managed by the school itself.
GL Assessment Subjects Tested at Glenthorne High School
How to Prepare for the Glenthorne High School 11+ Exam
ExamTutor practice papers with tutor explanations for every question offers an affordable substitute for private tuition for a fraction of the cost.
📋 Take a Diagnostic Test
Start with a timed practice test to identify strengths and areas needing improvement.
📅 Build a Study Plan
Start at least 6–12 months before the exam. Focus extra time on weaker subjects.
🎥 Review with Video Explanations
Watch video solutions for incorrect answers. Rewatch difficult topics until confident.
⏱️ Develop Exam Technique
Practice under timed conditions to build stamina and learn to manage difficult questions.
📈 Track Progress
Monitor scores over time to see genuine improvement and identify remaining weak spots.
🚀 Build Confidence
Simulating real exam conditions means no surprises on the day — your child knows what to expect.
GL Assessment Practice Papers and Quest Software for Glenthorne High School
Glenthorne High School uses the GL Assessment 11+ format. Our practice papers mirror that exact format, with a short tutor video explaining every question. Quest, our interactive practice software, comes in a GL Assessment edition too: 4,600 questions across English, Maths, Verbal and Non-Verbal Reasoning in short tests with medals to win, an Exam Hall of timed mocks, the GL sitting papers, flashcards, a daily five, a Weekly Challenge set by a friendly Guardian and a hero your child unlocks by learning, with a working-out board under every question and My Corrections — plus a Skills Report and a week-by-week plan for parents. Start with the free samples, then choose a pack when you're ready.
When you're readyPractice-paper packs from £19 · all papers £69 · Quest £59 a year · Quest + all papers £89. One-off purchases with 12 months' access — no subscription, nothing renews.
View GL Assessment practice papers →Start preparing for the Glenthorne High School 11+
Try the free GL Assessment samples first — a real paper, a tutor video and the Quest demo, no sign-up. Then choose a pack when you're ready.