Sitting on College Avenue in the heart of Grays, Grays Convent High School offers a distinctive education in Thurrock: all-girls, Roman Catholic, and consistently high-performing. With just over 650 students, it is significantly smaller than the average secondary school, creating a close-knit atmosphere where anonymity is impossible.
The school's defining characteristic is its ability to add value. The 2024 Progress 8 score of +0.76 is exceptional, indicating that students here achieve over three-quarters of a grade higher in every subject than their peers with similar starting points across England. This places the school in the top tier of state schools nationally for student progress.
Founded in 1899 by the Sisters of La Sainte Union, the school retains a palpable sense of its history and mission. Nous Sommes Un Avec Dieu (We Are One With God), runs the school's motto, and this Catholic ethos is not just a label but the foundation of daily life. Prayer, liturgy, and charity are woven into the school rhythm, fostering a genuine commitment to spiritual as well as academic development.
Mrs Penny Johnson has led the school since 2014, establishing a culture of high expectations and pastoral warmth. The environment is orderly and disciplined, with a strict uniform policy that students are expected to adhere to flawlessly. The small size of the school fosters a supportive, almost familial culture where staff know the students well.
The site blends original convent architecture with modern additions. While it lacks the sprawling acreage of some out-of-town schools, the space is managed effectively. Specialist facilities for science and technology sit alongside the school chapel, which remains the spiritual heart of the campus.
Academically, Grays Convent is a powerhouse, particularly when measured by progress. In 2024, the school achieved an Attainment 8 score of 55.3, significantly above the England average of 45.9. This indicates that across eight key subjects, students are securing strong passes and top grades.
The Progress 8 score of +0.76 is the headline statistic. To put this in context, a score of +0.5 is considered well above average; +0.76 is exceptional. It suggests that teaching here actively accelerates learning regardless of a student's prior ability.
Grays Convent ranks 920th in England for GCSE outcomes (FindMySchool ranking) and ranks 2nd among secondary schools in Grays. This position reflects solid performance, sitting comfortably in the top 20% of schools in England (above England average (top 25%)).
Crucially for a school with a broad intake, the core subjects are strong. The average EBacc point score was 5.02, nearly a full grade higher than the England average of 4.08.
England ranks and key metrics (where available)
GCSE 9–7
—
% of students achieving grades 9-7
The curriculum follows the English Baccalaureate (EBacc) structure closely. Teaching is traditional and rigorous, with a clear focus on subject mastery. In Key Stage 3, students cover the full breadth of subjects, including Art, Drama, Music, and Computer Science.
By Key Stage 4, the focus narrows to GCSEs. The school encourages a high uptake of EBacc subjects, including History, Geography, and Modern Foreign Languages (French and Spanish). The sciences are a particular strength, supported by a specialist legacy that continues in the quality of provision.
Religious Education is a core subject for all students, culminating in a full GCSE. This is treated with the same academic weight as English and Mathematics, requiring rigorous essay writing and theological analysis.
Quality of Education
N/A
Behaviour & Attitudes
N/A
Personal Development
N/A
Leadership & Management
Good
Pastoral care is structured around the House system, with houses named after inspiring women of faith: Deborah, Lydia, Mary, and Esther. This structure provides opportunities for vertical integration, where older students mentor younger ones, fostering a sense of sisterhood.
The school's Catholic ethos underpins its approach to wellbeing. The Chaplaincy team is active and visible, offering a 'Sanctuary' space for students who need a quiet moment. Support is not just spiritual; the school employs pastoral managers who work alongside Heads of Year to support students with emotional or behavioural needs.
Safeguarding is a priority. The small school size means that changes in a student's demeanour are noticed quickly, and relationships between staff and students are respectful and professional.
Extracurricular life is vibrant, with a mix of academic, sporting, and creative opportunities. The Duke of Edinburgh Award is popular, with many girls completing Bronze and Silver awards. The challenge and independence required for the expeditions contrast well with the structured classroom environment.
Music and Drama are central pillars of school life. The school choir performs regularly at school masses and local events, while the annual school production involves students from all year groups in acting, set design, and technical roles.
Sporting opportunities include netball, athletics, and football, with teams competing in district and county competitions. While the site has limited green space compared to rural schools, the PE department makes excellent use of the facilities available, including the sports hall and courts.
Admission to Grays Convent is competitive. As a Catholic school, the admissions policy prioritises baptised Catholic girls. Families applying under faith criteria must complete a Supplementary Information Form (SIF) and provide a Certificate of Catholic Practice or baptismal certificate.
In 2024, the school received 252 applications for 123 places, making it significantly oversubscribed with a ratio of approximately 2 applications per place.
The oversubscription criteria prioritise looked-after children and baptised Catholic girls resident in the priority area (Thurrock deanery). While non-Catholic girls are admitted if places remain, the high demand from Catholic families means these places can be limited. Families should check the specific admissions policy on the school website for the exact parish boundaries.
Applications
252
Total received
Places Offered
123
Subscription Rate
2.0x
Apps per place
Grays Convent is an 11-16 school, meaning there is no Sixth Form on site. This requires students to move on after GCSEs. While some families find this transition daunting, the school views it as an opportunity for girls to choose the college that best suits their specialist interests.
The school has strong links with local post-16 providers. Many students progress to USP College (Palmer's Campus), Harris Academy Chafford Hundred Sixth Form, or the local grammar school sixth forms if their grades permit. The careers department works intensively with Year 11 students to ensure every girl has a secure and ambitious destination.
The school day begins at 8:30am and finishes at 3:10pm. The site is located in central Grays, a short walk from Grays railway station and the bus terminal, making it accessible for students travelling from across Thurrock and parts of Basildon.
Uniform is strictly enforced. The blazer, kilt, and blouse must be worn correctly, and jewellery is restricted. This attention to appearance is part of the school's preparation for professional life.
This is a state-funded Voluntary Aided school, meaning there are no tuition fees. Parents should budget for uniform, trips, and extracurricular activities.
Faith Commitment: The Catholic character is pervasive. All students, regardless of background, attend masses, assemblies, and RE lessons. Families uncomfortable with explicit religious teaching and worship should consider whether this environment is the right fit.
No Sixth Form: Students must change schools at 16. While this offers a fresh start and wider choices, it does mean another admissions process and transition period just as A-levels begin.
Single-Sex Environment: This is an all-girls school. Families should consider whether a single-sex education aligns with their preferences for their daughter's social and academic development.
Space Constraints: The site is compact and urban. While facilities are good, it does not offer the rolling playing fields of some county schools.
Grays Convent High School proves that a traditional, faith-based approach can deliver exceptional modern outcomes. The outstanding progress scores speak for themselves; girls here achieve significantly more than they would elsewhere. Best suited to families seeking a disciplined, supportive, and academically ambitious environment where Catholic values are lived daily. The main challenge is securing a place, particularly for those outside the faith criteria.
Yes. Grays Convent is a high-performing school. Its 2024 Progress 8 score of +0.76 places it in the top tier of schools nationally for value-added, meaning students make exceptional progress. It was rated Good by Ofsted in May 2023.
No, but Catholic children have priority. The school is oversubscribed, so places for non-Catholic children can be limited depending on the number of Catholic applicants in any given year. All applicants must be supportive of the school's Catholic ethos.
The school prioritises Catholic children living within the Thurrock deanery parishes. There is no simple distance-based catchment circle for non-Catholic applicants; places are allocated based on the oversubscription criteria.
No. Grays Convent is an 11-16 school. Students transfer to local sixth forms or colleges after Year 11. The school provides robust careers support to manage this transition.
Strong. In 2024, the school achieved an Attainment 8 score of 55.3, well above the England average of 45.9. The average EBacc point score was 5.02. The school ranks 2nd in Grays and in the top 20% of schools in England.
Get in touch with the school directly
Disclaimer
Information on this page is compiled, analysed, and processed from publicly available sources including the Department for Education (DfE), Ofsted, the Independent Schools Inspectorate (ISI), the Universities of Oxford and Cambridge, Freedom of Information (FOI) requests, and official school websites.
Our rankings, metrics, and assessments are derived from this data using our own methodologies and represent our independent analysis rather than official standings.
While we strive for accuracy, we cannot guarantee that all information is current, complete, or error-free. Data may change without notice, and schools and/or local authorities should be contacted directly to verify any details before making decisions.
FindMySchool does not endorse any particular school, and rankings reflect specific metrics rather than overall quality.
To the fullest extent permitted by law, we accept no liability for any loss or damage arising from reliance on information provided. If you believe any information is inaccurate, please contact us.