Ashlyns School
Foundation school · sixth form · 1,561 pupils
94% stayed in education · Attainment 8 57.9
Academy converter
Parmiter's School
- Pupils on roll
- 1,496of 1,392 places
- Free school meals
- 6.7%
- Year 11 cohort 2025
- 208
- Ofsted
- Outstanding, 3 July 2024Read the Ofsted report
Results below include those reported under the school’s previous registration: Parmiter's School (URN 117576, until 1 July 2011).
What the data says
Of the 206 pupils who finished Year 11 at Parmiter's School in 2023, 74% stayed on in Parmiter's School’s own sixth form (Hertfordshire average 58%) and 22% went to a further education college.
Among the 186 students who left the sixth form in 2023, 75% went to university (Hertfordshire 42%, England 37%), and 65% of level 3 students progressed to one of the most selective universities, against 19% nationally.
GCSE results in 2025 were well above the national picture: Attainment 8 of 66.5 against 46.1 across England and 50.6 in Hertfordshire, with 81% of pupils getting grade 5 or above in both English and maths (England 45%).
German is unusually popular at GCSE: 34% of the year group took it, against 5% of pupils across England.
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 Hertfordshire and England.
School sixth formSixth form collegeFurther education collegeOther educationApprenticeshipEmploymentNo sustained destination
| Measure | Parmiter's School | Hertfordshire | England |
|---|---|---|---|
| Pupils in the cohort | 206 | 14,400 | 607,348 |
| Any sustained destination | 98% | 95% | 92% |
| Stayed in education | 96% | 92% | 86% |
| — school sixth form | 74% | 58% | 34% |
| — sixth form college | — | 2% | 13% |
| — further education college | 22% | 31% | 37% |
| — other education | 0% | 1% | 2% |
| Apprenticeship | — | 2% | 3% |
| Employment | 1% | 2% | 3% |
| No sustained destination | 1% | 3% | 6% |
| Destination unknown | 1% | 2% | 3% |
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 | Parmiter's School | Hertfordshire | England |
|---|---|---|---|
| Students in the cohort | 186 | 14,189 | 541,441 |
| Any sustained destination | 90% | 82% | 79% |
| University (higher education) | 75% | 42% | 37% |
| — most selective universities (top third), of level 3 students | 65% | 24% | 19% |
| Further education | 1% | 5% | 5% |
| Apprenticeship | 3% | 6% | 7% |
| Employment | 11% | 28% | 28% |
| No sustained destination | 4% | 13% | 16% |
GCSE results 2025
| Measure | Parmiter's School | Hertfordshire | England |
|---|---|---|---|
| Attainment 8 (average points per pupil) | 66.5 | 50.6 | 46.1 |
| Grade 5 or above in English and maths | 81% | 53% | 45% |
| Grade 4 or above in English and maths | 90% | 72% | 65% |
| Entered the English Baccalaureate subjects | 79% | 47% | 41% |
| EBacc average point score | 6.39 | 4.56 | 4.09 |
| Disadvantaged pupils in the cohort | 13% | 18% | 28% |
| Attainment 8 — disadvantaged pupils | 50.3 | 34.2 | 34.9 |
| Attainment 8 — other pupils | 68.8 | 54.1 | 50.4 |
| Pupils with high prior attainment (Key Stage 2) | — | — | — |
| English as an additional language | 29% | 16% | 19% |
Progress 8 is not available for 2025 and 2026: these cohorts had no Key Stage 2 tests in 2020 and 2021, so there is no baseline. Attainment 8 shows results without taking pupils’ starting points into account.
Subjects taken at GCSE
Entries in 2025 as a share of the Year 11 cohort, and the share of entries graded 7–9 and 4–9, compared with all entries in England.
| Subject | Entries | Share of cohort | England | Grades 7–9 | England | Grades 4–9 |
|---|---|---|---|---|---|---|
| English Language | 208 | 100% | 89% | 46% | 20% | 89% |
| English Literature | 207 | 100% | 86% | 40% | 21% | 90% |
| Mathematics | 205 | 99% | 88% | 60% | 22% | 96% |
| Combined Science | 116 | 56% | 65% | 33% | 9% | 88% |
| Geography | 100 | 48% | 41% | 56% | 25% | 92% |
| Chemistry | 91 | 44% | 23% | 91% | 47% | 100% |
| Physics | 91 | 44% | 23% | 90% | 46% | 100% |
| Biology | 91 | 44% | 23% | 89% | 45% | 100% |
| Spanish | 84 | 40% | 19% | 46% | 27% | 86% |
| History | 84 | 40% | 41% | 74% | 26% | 95% |
| German | 71 | 34% | 5% | 51% | 33% | 93% |
| Computer Science | 59 | 28% | 13% | 51% | 30% | 90% |
| Physical Education | 56 | 27% | 11% | 32% | 24% | 79% |
| French | 55 | 26% | 18% | 60% | 29% | 82% |
| Business Studies | 55 | 26% | 18% | 56% | 20% | 95% |
| Economics | 54 | 26% | 1% | 48% | 34% | 91% |
| Design and Technology | 42 | 20% | 11% | 67% | 23% | 100% |
| Drama | 42 | 20% | 7% | 36% | 27% | 93% |
| Art and Design | 35 | 17% | 7% | 66% | 24% | 91% |
| Food Preparation and Nutrition | 30 | 14% | 8% | 43% | 21% | 90% |
| Music | 23 | 11% | 5% | 65% | 33% | 87% |
| Religious Studies | 21 | 10% | 31% | 57% | 32% | 95% |
| Textiles | 10 | 5% | 2% | 60% | 27% | 100% |
| Latin | 6 | 3% | 1% | 100% | 74% | 100% |
| Polish | 2 | 1% | 1% | — | 84% | — |
| Japanese | 1 | 0% | 0% | — | 53% | — |
| Russian | 1 | 0% | 0% | — | 87% | — |
| Chinese | 1 | 0% | 1% | — | 75% | — |
Technical awards and other Key Stage 4 qualifications
| Subject | Entries | Share of cohort | England |
|---|---|---|---|
| Music performance: Group | 4 | 2% | — |
| Music performance: Group | 4 | 2% | — |
| Music performance: Group | 1 | 1% | — |
A levels and other level 3 courses
| Measure | Parmiter's School | Hertfordshire | England |
|---|---|---|---|
| Students at the end of 16–18 study | 393 | — | — |
| — of whom A level students | 193 | 8,082 | 261,341 |
| Average A level grade | B | B- | B- |
| Average points per A level entry | 40.58 | 36.82 | 35.00 |
| Average grade, best 3 A levels | B | B- | B- |
| AAB or better with two facilitating subjects | 24% | 19% | 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 |
|---|---|---|---|
| Mathematics | 95 | 49% | 31% |
| Psychology | 56 | 29% | 23% |
| Chemistry | 53 | 27% | 17% |
| Biology | 48 | 25% | 20% |
| English Literature | 40 | 21% | 11% |
| Physics | 33 | 17% | 12% |
| Economics | 32 | 17% | 13% |
| History | 31 | 16% | 13% |
| Politics | 30 | 16% | 6% |
| Further Mathematics | 22 | 11% | 5% |
| Sociology | 20 | 10% | 13% |
| Business Studies | 17 | 9% | 13% |
| Product Design | 16 | 8% | 2% |
| Drama | 14 | 7% | 2% |
| Computer Science | 13 | 7% | 5% |
| Geography | 12 | 6% | 10% |
| Spanish | 11 | 6% | 2% |
| Physical Education | 10 | 5% | 3% |
| Religious Studies | 10 | 5% | 4% |
| Art and Design | 8 | 4% | 1% |
| German | 6 | 3% | 0% |
| French | — | — | 1% |
| Photography | — | — | 3% |
| Music | — | — | 0% |
| Japanese | — | — | 0% |
| Polish | — | — | 0% |
Applied, technical and other level 3 courses
| Subject | Qualification | Entries | Share of cohort | England |
|---|---|---|---|---|
| Study Skills | Extended Project (Diploma) | 52 | 27% | — |
Other secondary schools in Hertfordshire
Barclay Academy
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91% stayed in education · Attainment 8 49.5
Barnwell School
Foundation school · sixth form · 1,270 pupils
88% stayed in education · Attainment 8 41.5
Beaumont School
Academy converter · sixth form · 1,722 pupils
98% stayed in education · Attainment 8 62.6
Birchwood High School
Academy converter · sixth form · 1,417 pupils
85% stayed in education · Attainment 8 46.1
Bishop's Hatfield Girls' School
Academy converter · sixth form · 942 pupils
97% stayed in education · Attainment 8 51.9
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.