Boston High School
Academy converter · sixth form · 837 pupils
95% stayed in education · Attainment 8 58.8
Sixth form centres
Sleaford Joint Sixth Form
- Pupils on roll
- —
- Free school meals
- —
- Year 11 cohort 2025
- —
- Ofsted
- Not covered by Ofsted school inspections
What the data says
Sleaford Joint Sixth Form is a 16–19 provider, so there is no Year 11 cohort: this page covers where its students went after 16–18 study and what they achieved.
Among the 360 students who left the sixth form in 2023, 53% went to university (Lincolnshire 39%, England 37%), and 24% of level 3 students progressed to one of the most selective universities, against 19% nationally.
A level grades average B-, around the England average of B-. The largest A level subjects are Biology, Mathematics and History.
Where pupils went after Year 11
Destinations of the 2023 Year 11 leavers, measured the following year: the share in a sustained place for at least two terms. Compared with all state-funded schools in Lincolnshire and England.
The Department for Education has not published destination figures for this school (new school, small cohort or not a state-funded school).
Where students went after sixth form
Destinations of students who finished 16–18 study in 2023, measured the following year.
University (higher education)Further educationOther educationApprenticeshipEmploymentNo sustained destination
| Measure | Sleaford Joint Sixth Form | Lincolnshire | England |
|---|---|---|---|
| Students in the cohort | 360 | 6,057 | 541,441 |
| Any sustained destination | 89% | 82% | 79% |
| University (higher education) | 53% | 39% | 37% |
| — most selective universities (top third), of level 3 students | 24% | 19% | 19% |
| Further education | 3% | 5% | 5% |
| Apprenticeship | 7% | 9% | 7% |
| Employment | 26% | 29% | 28% |
| No sustained destination | 9% | 14% | 16% |
GCSE results 2025
No published Key Stage 4 results for this school.
A levels and other level 3 courses
| Measure | Sleaford Joint Sixth Form | Lincolnshire | England |
|---|---|---|---|
| Students at the end of 16–18 study | 684 | — | — |
| — of whom A level students | 245 | 2,919 | 261,341 |
| Average A level grade | B- | C+ | B- |
| Average points per A level entry | 35.08 | 34.44 | 35.00 |
| Average grade, best 3 A levels | B- | B- | B- |
| AAB or better with two facilitating subjects | 19% | 18% | 18% |
| Average grade, applied general courses | — | — | — |
| Average grade, T levels | — | — | — |
A level subjects
Entries as a share of A level students, compared with the share across England.
| Subject | Entries | Share of cohort | England |
|---|---|---|---|
| Biology | 65 | 27% | 20% |
| Mathematics | 59 | 24% | 31% |
| History | 57 | 23% | 13% |
| Chemistry | 57 | 23% | 17% |
| Geography | 56 | 23% | 10% |
| Psychology | 48 | 20% | 23% |
| Physics | 36 | 15% | 12% |
| Sociology | 30 | 12% | 13% |
| Business Studies | 25 | 10% | 13% |
| Religious Studies | 21 | 9% | 4% |
| Physical Education | 20 | 8% | 3% |
| Media Studies | 19 | 8% | 4% |
| Computer Science | 14 | 6% | 5% |
| English Literature | 13 | 5% | 11% |
| Law | 12 | 5% | 4% |
| Photography | 9 | 4% | 3% |
| Product Design | 9 | 4% | 2% |
| Drama | 9 | 4% | 2% |
| Fine Art | 9 | 4% | 3% |
| English Language | 8 | 3% | 4% |
| French | 7 | 3% | 1% |
| D and T Textiles Technology | 7 | 3% | 0% |
| English Language and Literature | 7 | 3% | 2% |
| Spanish | 6 | 2% | 2% |
| Music | — | — | 0% |
| Further Mathematics | — | — | 5% |
| German | — | — | 0% |
Applied, technical and other level 3 courses
| Subject | Qualification | Entries | Share of cohort | England |
|---|---|---|---|---|
| Study Skills | Extended Project (Diploma) | 49 | 20% | — |
| Social Science | VRQ Level 3 | 30 | 12% | — |
| Sports Studies | OCR Cambridge Technical Extended Certificate at Level 3 | 25 | 10% | — |
| Business Studies | OCR Cambridge Technical Extended Certificate at Level 3 | 20 | 8% | — |
| Applied Sciences | BTEC National Extended Certificate L3 - Band F - P-D* | 18 | 7% | — |
| Health Studies | OCR Cambridge Technical Extended Certificate at Level 3 | 12 | 5% | — |
| Business Studies | BTEC National Extended Certificate L3 - Band F - P-D* | 12 | 5% | — |
| Applied Sciences | BTEC National Diploma L3 - Band J - PP-D*D* | 12 | 5% | — |
| Business Studies | OCR Cambridge Technical Diploma at Level 3 | 10 | 4% | — |
| Multimedia | OCR Cambridge Technical Extended Certificate at Level 3 | 10 | 4% | — |
| Health Studies | OCR Cambridge Technical Diploma at Level 3 | 8 | 3% | — |
| Sports Studies | OCR Cambridge Technical Diploma at Level 3 | 7 | 3% | — |
| Childcare Skills | VRQ Level 3 | 7 | 3% | — |
| Business Studies | OCR Cambridge Technical Certificate at Level 3 | 6 | 2% | — |
| Speech and Drama | BTEC National Extended Certificate L3 - Band F - P-D* | 6 | 2% | — |
| German | GCE AS level (Not continued to A2) | — | — | — |
| Health Studies | OCR Cambridge Technical Certificate at Level 3 | — | — | — |
| Music performance: Group | VRQ Level 3 | — | — | — |
| Tourism | BTEC Level 3 National Certificate (Band D) | — | — | — |
| Tourism | BTEC National Extended Certificate L3 - Band F - P-D* | — | — | — |
| Speech and Drama | BTEC National Diploma L3 - Band J - PP-D*D* | — | — | — |
| German | GCE AS level (All) | — | — | — |
| English Language | GCE AS level (All) | — | — | — |
| History | GCE AS level (All) | — | — | — |
| English Language | GCE AS level (Not continued to A2) | — | — | — |
Other secondary schools in Lincolnshire
Bourne Academy
Academy converter · sixth form · 1,573 pupils
88% stayed in education · Attainment 8 47.2
Bourne Grammar School
Academy converter · sixth form · 1,718 pupils
97% stayed in education · Attainment 8 68.6
Branston Community Academy
Academy converter · sixth form · 1,132 pupils
89% stayed in education · Attainment 8 43.8
Caistor Grammar School
Academy converter · sixth form · 690 pupils
97% stayed in education · Attainment 8 69.8
Caistor Yarborough Academy
Academy converter · 680 pupils
81% stayed in education · Attainment 8 43.8
Sources: Department for Education school and college performance tables 2024/2025 (Key Stage 4 and 16–18 results, subject entries, destination measures for 2023 leavers); Get Information About Schools register as at 19 September 2026; Ofsted management information as at 31 August 2026. Small numbers are suppressed by DfE and shown as “—”. How to read these figures.