Kesteven and Sleaford High School Selective Academy
Sleaford, Lincolnshire, East Midlands · NG34 7RS
A selective girls' grammar in the market town of Sleaford, Kesteven and Sleaford High stands out for the consistency of its Ofsted profile: every area inspected, from quality of education to the sixth form, was judged Outstanding. With 756 girls on a roll that has capacity for 822, the school is busy but not at full stretch, leaving a little room for growth. A pupil-to-teacher ratio of around 18 sits comfortably for a school of this size.
756
Pupils
Not judged
Ofsted
124
Places (PAN)
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Open in Google Maps ↗Overview & data
- Gender
- Girls
- Type
- state grammar school
- Pupils
- 756
- Pupil:teacher ratio
- 18
- Location
- Sleaford, Lincolnshire, East Midlands
- Website
- www.kshs.uk
Entrance & admissions
- Consortium
- Lincolnshire Consortium of Grammar Schools
- Exam board
- GL Assessment
- Subjects tested
- Non-Verbal Reasoning, Verbal Reasoning
- Places (PAN)
- 124
- Entry age
- 11
Key dates· 2027 entry
Exam dateNext
12 September 2026
Application deadline
31 October 2026
Offers date
1 March 2027
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Latest results
Attainment 8
61.8
National average 46.9
GCSE grade 5+ (English & Maths)
85%
National average 47%
Teaching & academics
Results are well ahead of the national picture. The average Attainment 8 score of 61.8 outstrips the national average of 46.9, and 85% of pupils secure grade 5 or above in English and Maths, against a national figure of 47%. An Outstanding judgement for quality of education and for the sixth form points to strong progression from Year 7 through to A level.
Learning support & SEN
- SEN support
- 4.89%
- EHC plans
- 0.4%
- English as additional language
- 4.5%
- Free school meals
- 9.1%
Ethos & heritage
- Boarding
- No
Inspection reports
- Ofsted overall
- Not judged
- Quality of education
- Outstanding
- Behaviour & attitudes
- Outstanding
- Last inspected
- 19 November 2024
The last word
A high-performing girls' grammar with an unbroken run of Outstanding Ofsted judgements. Families willing to prepare for the GL Verbal and Non-Verbal Reasoning papers will find a school delivering results far above the national average.
The Passmate verdict
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Kesteven and Sleaford High School Selective Academy 11+: frequently asked questions
Where is Kesteven and Sleaford High School Selective Academy located?
Kesteven and Sleaford High School Selective Academy is located at Jermyn Street, Sleaford, NG34 7RS.
What type of school is Kesteven and Sleaford High School Selective Academy?
Kesteven and Sleaford High School Selective Academy is a state grammar school in East Midlands.
What subjects does Kesteven and Sleaford High School Selective Academy test in the 11+?
Kesteven and Sleaford High School Selective Academy tests Non-Verbal Reasoning and Verbal Reasoning at 11+.
Which exam board does Kesteven and Sleaford High School Selective Academy use for the 11+?
Kesteven and Sleaford High School Selective Academy's 11+ uses GL Assessment.
When is the Kesteven and Sleaford High School Selective Academy 11+ exam?
For the 2027 entry, the Kesteven and Sleaford High School Selective Academy 11+ exam is on 12 September 2026.
How do I apply to Kesteven and Sleaford High School Selective Academy?
For 2027 entry, the application deadline is 31 October 2026.
When are Kesteven and Sleaford High School Selective Academy 11+ offers released?
For 2027 entry, Kesteven and Sleaford High School Selective Academy releases offers on 1 March 2027.
Which consortium does Kesteven and Sleaford High School Selective Academy belong to?
Kesteven and Sleaford High School Selective Academy is part of the Lincolnshire Consortium of Grammar Schools consortium.
How many places does Kesteven and Sleaford High School Selective Academy offer?
Kesteven and Sleaford High School Selective Academy has a published admission number of 124 places.
How many pupils attend Kesteven and Sleaford High School Selective Academy?
Kesteven and Sleaford High School Selective Academy has approximately 756 pupils on roll.
What is Kesteven and Sleaford High School Selective Academy's Ofsted rating?
Kesteven and Sleaford High School Selective Academy was rated "Not judged" by Ofsted at its inspection on 19 November 2024.
Compiled from public data. Last checked June 2026.