98%
GCSE 9–4 · 2024/25
85%
GCSE 5+ · 2024/25
61.8
Attainment 8 · 2024/25
92%
EBacc entry · 2024/25
676.3
EBacc APS · 2024/25
756
Pupils · 2024/25
4%
EAL · 2024/25
11%
Persistent abs. · 2024/25
Ofsted inspection
Not judged
Ofsted inspection · 19/11/2024
Inadequate
Requires improvement
Good
Outstanding
Local authorityLincolnshire
PhaseSecondary with sixth form with sixth form
School typeAcademy
Pupil : teacher ratio18.0:1
AdmissionsSelective
Religious characterDoes not apply
StatusOpen
Overview of Kesteven and Sleaford High School Selective Academy · Secondary with sixth form · Lincolnshire
Part ofCOMMUNITY INCLUSIVE TRUST
How does this school perform?
Key Stage 4 · 2024/25 · trend since 2016/17
GCSE 9–4 incl. Eng & maths
98%
-0pp
99%99%98%
'19'22'23'24'25
'25 · 98%
GCSE 5+ incl. Eng & maths
85%
-6pp
94%90%85%
'19'22'23'24'25
'25 · 85%
Attainment 8
61.8
-3.5
68.665.261.8
'19'22'23'24'25
'25 · 61.8
EBacc entry
92%
-1pp
95%93%91%
'19'22'23'24'25
'25 · 92%
EBacc APS
676.3
-208.0
884.3780.3676.3
'19'22'23'24'25
'25 · 676.3
Sixth form
Key Stage 5 · 2024/25 · trend since 2016/17
A-level APS
37.8
-5.6
43.439.635.7
'19'22'23'24'25
'25 · 37.8
A-level value added
-0.01
-0.1
+0.10.0-0.1
'17'18'19'24'25
'25 · 0.0
AAB+ in facilitating subjects
20%
-20pp
40%24%7%
'19'22'23'24'25
'25 · 20%
Average A-level grade
B-
-1
B+BB-
'19'22'23'24'25
'25 · B-
Pupils & context
2024/25
Pupils on roll
756
Pupil : teacher ratio
18.0
Workforce data · 2025/26
EAL
4%
FSM eligible
9%
SEN
5%
Overall absence
5%
Persistent absence
11%
Contact
Address
Jermyn Street, Sleaford, NG34 7RS
Local authority
Lincolnshire
Website
Telephone
Email
—
History
All years · Historical DfE data by academic year
Secondary — Key Stage 4
GCSE attainment and Progress 8 — how pupils progressed from KS2 to KS4.
| Year | GCSE 9–4 | GCSE 5+ | Attainment 8 | Progress 8 | EBacc entry | EBacc APS | EBacc lang entry | Cohort |
|---|---|---|---|---|---|---|---|---|
| 2024/25 | 98% | 85% | 61.8 | Not applicable | 92% | 676.3 | 93% | 756 |
| 2023/24 | 99% | 92% | 65.3 | +0.67 | 93% | 884.3 | 93% | 772 |
| 2022/23 | 98% | 90% | 65.6 | +0.55 | 91% | 790.5 | 92% | 763 |
| 2021/22 | 99% | 94% | 68.6 | +0.43 | 94% | 776.0 | 96% | 760 |
| 2018/19 | 99% | 86% | 64.0 | +0.45 | 95% | 805.2 | 95% | 733 |
| 2017/18 | 95% | 85% | 62.9 | +0.19 | 95% | 679.0 | 95% | 733 |
| 2016/17 | 97% | 78% | 62.2 | +0.12 | 94% | — | 95% | 745 |
Sixth form — Key Stage 5
| Year | A-level APS | Avg grade | VA progress | AAB+ | Cohort |
|---|---|---|---|---|---|
| 2024/25 | 37.8 | B- | -0.01 | 20% | 76 |
| 2023/24 | 43.4 | B+ | +0.12 | 40% | 56 |
| 2022/23 | 41.4 | B | — | 29% | 61 |
| 2021/22 | 43.2 | B+ | — | 27% | 69 |
| 2018/19 | 35.7 | B- | -0.08 | 7% | 59 |
| 2017/18 | 36.2 | B- | -0.12 | 21% | 75 |
| 2016/17 | 35.7 | B- | -0.07 | 32% | 89 |
Pupils & absence
| Year | Pupils | Pupil:teacher | SEN | EAL | FSM ever | Absence | Persistent absence |
|---|---|---|---|---|---|---|---|
| 2024/25 | 756 | 18.0 | 5% | 4% | 9% | 5% | 11% |
| 2023/24 | 772 | 18.2 | 14% | 4% | 7% | 6% | 15% |
| 2022/23 | 763 | 18.4 | 13% | 3% | 8% | 6% | 12% |
| 2021/22 | 760 | 18.1 | 10% | 3% | 9% | 8% | 22% |
| 2020/21 | 754 | 18.2 | 9% | 2% | 6% | — | — |
| 2018/19 | 733 | 17.8 | 8% | 2% | 8% | 4% | 8% |
| 2017/18 | 733 | 17.4 | 6% | 1% | 8% | 5% | 10% |
| 2016/17 | 745 | 16.5 | 6% | 2% | 7% | 5% | 11% |
School performance data © Crown copyright. Source: Department for Education.