Our Lady of Sion School
Our Lady of Sion School is an independent school in West Sussex for boys and girls aged 2 to 19. It has 244 pupils and room for 505.
Our Lady of Sion School, Gratwicke Road, Worthing, West Sussex, BN11 4BL01903 204063sionschool.org.ukMrs Emily Hill headmasterAll details
Inspection
This private school is inspected by the Independent Schools Inspectorate, not Ofsted. Its reports are at isi.net.
Results
GCSE results, summer 2025
44 pupils sat their GCSEs. Here is how they did against every state secondary in England.
All GCSE measures, year by year
| Measure | 2025 | 2024 | 2023 | 2022 | 2019 | 2018 | West Sussex | England |
|---|---|---|---|---|---|---|---|---|
| Pupils at the end of Year 11 | 44 | 51 | 52 | 57 | 62 | 43 | – | – |
| Average GCSE scoreAttainment 8 | 34.6 | 47.4 | 50.2 | 51.9 | 49.8 | 50.6 | 46.6 | 46.8 |
| Strong pass in English and mathsGrade 5+ in English and maths | 0% | 0% | 0% | 2% | 0% | 0% | 46% | 46% |
| Standard pass in English and mathsGrade 4+ in English and maths | 0% | 0% | 0% | 2% | 0% | 0% | 68% | 66% |
| Core subjects scoreEBacc average point score | 3.24 | 4.20 | 4.52 | 4.91 | 4.89 | 4.91 | 4.10 | 4.15 |
| Taking the core subjectsEBacc entry | 0% | 0% | 0% | 0% | 0% | 0% | 38% | 41% |
Subjects
Results came out for 14 GCSE subjects in 2025. Each figure is the share of pupils who got a grade 5 or better, next to the average for state secondaries in England.
Strongest subjects
Subjects that did worse than the England average: Chemistry (73% here, 81% across England).
The small number is how many pupils sat each subject. Subjects with fewer than six pupils aren't published.
Every subject against England, 2025
| Subject | Entries | Grades 9 to 7 | Grades 9 to 5 | Grades 9 to 4 | England 9 to 5 | Rank in England |
|---|---|---|---|---|---|---|
| Geography | 32 | 28% | 81% | 91% | 51% | – |
| Chemistry | 22 | 59% | 73% | 77% | 81% | – |
| Biology | 22 | 50% | 82% | 91% | 82% | – |
| Combined Science | 21 | 19% | 67% | 91% | 36% | – |
| Physics | 21 | 62% | 76% | 91% | 82% | – |
| History | 19 | 58% | 95% | 95% | 52% | – |
| Business | 19 | 53% | 79% | 95% | 51% | – |
| Religious Studies | 12 | 50% | 92% | 100% | 60% | – |
| Spanish | 10 | 50% | 80% | 100% | 54% | – |
| Physical Education | 9 | 56% | 89% | 100% | 56% | – |
| Art and Design | 9 | 56% | 100% | 100% | 58% | – |
| Drama | 8 | 13% | 75% | 88% | 60% | – |
| French | 8 | 50% | 88% | 88% | 60% | – |
| Food Preparation & Nutrition | 6 | 83% | 100% | 100% | 52% | – |
In combined science each pupil gets two grades and we count the lower one. Rankings only include state secondaries where 20 or more pupils sat the subject.
A level and sixth-form results, 2025
9 students finished sixth-form courses.
All sixth-form measures, year by year
| Measure | 2025 | 2024 | 2023 | 2022 | 2019 | 2018 |
|---|---|---|---|---|---|---|
| Students | 9 | 17 | 1 | 13 | 68 | 55 |
| Average A level points per entryA level APS per entry | 35.29 | 34.40 | – | 33.16 | 35.30 | 40.65 |
| Average A level grade | B- | C+ | – | C+ | B- | B |
| Best three A levelsBest 3 A levels APS | 33.75 | 35.42 | – | 33.89 | 37.07 | 40.27 |
| AAB or better in subjects universities likeAAB+ in two facilitating subjects | 13% | 0% | – | 25% | 8% | 32% |
| A level progressA level value added | +0.19 | -0.21 | – | – | -0.17 | +0.56 |
A level subjects
2 A level subjects had results in 2025. Each figure is the share of students who got an A* to B, next to the average for state sixth forms in England. When only a handful of students take a subject, its figures jump around from year to year.
Every A level subject against England, 2025
A levels only. BTECs, T levels and other courses are in the table above. Subjects with fewer than five students aren't published.
Does every child do well here?
A good school does well by every child, not just on average. Each row compares two groups of pupils here. The grey marks show the same two groups across England. Every gap at this school is smaller than the gap across England. When a group has fewer than about ten pupils, its figures jump around a lot from year to year.
At GCSE, 2025
Low-income means the child has had free school meals at some point in the last six years. A group's figure isn't published when it has fewer than six pupils.
Getting a place
Admissions policy not published.
Each council publishes its own figures on how many families applied and how far away the last child to get a place lived. We are adding councils one at a time. If you have a link to West Sussex council's admissions booklet, send it to us.
Who goes here
Who the school teaches, from the latest school census.
How the mix of pupils has changed
| Census | 2026 | 2025 | 2024 | 2023 | 2022 | 2021 |
|---|---|---|---|---|---|---|
| Pupils on roll | 244 | 314 | 340 | 380 | 359 | 378 |
| Pupils from low-income familiesFree school meals | – | – | – | – | 0% | 0% |
| Pupils learning EnglishEnglish as an additional language | – | – | – | – | 0% | 0% |
| Pupils getting extra supportSEN support | – | 29% | 13% | 13% | 15% | 15% |
| Pupils with an EHC planEducation, health and care plans | – | 3% | 1% | 1% | 1% | 0% |
What pupils do next
After sixth form
Where the 13 pupils who left in 2021/22 were a year later.
Earlier years
| Destination | 2021/22 leavers | 2020/21 leavers |
|---|---|---|
| Still in education, work or training | 92% | 96% |
| Education | 85% | 83% |
| Apprenticeship | 0% | 0% |
| Work | 8% | 13% |
| Not in education, work or training | 8% | 0% |
The area around the school
Crime figures come from police.uk. The police record each crime at the nearest of a fixed set of map points rather than the exact spot, so “within 500 m” is only rough. House prices are from HM Land Registry sales nearby over the last two years.
Nearby schools
The closest schools, nearest first. Hover over a row to see it on the map.
| School | Type | Distance | Pupils | Ofsted | Score | |
|---|---|---|---|---|---|---|
| St Mary's Catholic Primary School | Academy | 240 m | 253 | Good 2019 | 47 | Compare |
| Heene CofE Primary School | Academy | 350 m | 382 | Inadequate 2022 | 1 | Compare |
| Educate U | Independent (grammar) | 460 m | 39 | Not inspected | – | Compare |
| Brighton Forward Ltd | Special post 16 institution | 530 m | – | Not inspected | – | Compare |
| Seadown School | Independent | 0.7 miles | 25 | Not inspected | – | Compare |
| Worthing High School | Academy | 0.7 miles | 1,050 | Not inspected | 57 | Compare |
| St Andrew's CofE High School | Church of England | 0.8 miles | 780 | Good 2023 | 39 | Compare |
| Homefield Primary School and SSC | Council | 0.8 miles | 642 | Good 2023 | 19 | Compare |
Questions parents ask
Is Our Lady of Sion School a good school?
We don't have enough published data to score Our Lady of Sion School yet.
How good are Our Lady of Sion School's GCSE results?
In summer 2025, 0% of pupils got a grade 5 or better in both English and maths. Across England it was 46%. Its Attainment 8 score, which is the average grade across a pupil's best eight subjects times ten, was 34.6, against 46.8 for England.
How many pupils does Our Lady of Sion School have?
244 pupils aged 2 to 19 were on the roll in January 2024. It has 505 places, so it is 48% full.
Does Our Lady of Sion School have a sixth form?
Yes. The average A level grade in 2025 was B-. 2 A level subjects had results in 2025; the full list is in the results section.
These answers come straight from the figures on this page and update when new data comes out.
Contact and details
- Address
- Our Lady of Sion School, Gratwicke Road, Worthing, West Sussex, BN11 4BL
- Telephone
- 01903 204063
- Website
- www.sionschool.org.uk
- Headmaster
- Mrs Emily Hill
- Type of school
- Independent school (Other independent school, independent schools)
- Phase
- Independent school, ages 2-19, with nursery, with sixth form
- Gender
- Mixed
- Religious character
- None
- Local authority
- West Sussex
- Ward
- Central
- Constituency
- Worthing West
- Setting
- Urban: Nearer to a major town or city
- Opened
- 1 January 1862
- URN
- 126115 · LAESTAB 9386030 · UKPRN 10008676
Recent changes
- New KS4 results for 2024/25
Where these figures come from
- School details: Department for Education, Get Information About Schools, refreshed daily (this page rebuilt 13 September 2026).
- Inspections: Ofsted management information, monthly; latest publication in our data 27 August 2026.
- GCSE results: DfE key stage 4 performance tables, 2024/25 final.
- Pupil characteristics: DfE school census, January 2026.
- A level subjects: DfE A level and other 16 to 18 results, subject entries and grades, 2024/25.
- Neighbourhood: police.uk street-level crime, HM Land Registry price paid data, NaPTAN bus stops, English Indices of Deprivation 2025.
- All under the Open Government Licence v3.0. Full list and update calendar.