Head of Mathematics

September 2026 Start This is an exciting opportunity for an outstanding and ambitious teacher to lead a successful and high-performing Mathematics Department. The successful candidate will be an experienced and inspiring practitioner with a passion for Mathematics and a proven ability to secure excellent outcomes for pupils across Key Stages 3, 4 and 5. They will provide clear academic leadership, support and develop colleagues, and contribute to the wider life and strategic direction of the School. About John Lyon School John Lyon is a leading academically selective co-educational independent day school for pupils aged 2-18, located in Harrow-on-the-Hill, North West London. With a proud heritage dating back to 1876, the school has evolved into a thriving all-through school following its 2021 amalgamation with Quainton Hall Prep School. In the same year, we welcomed our first girls as pupils, marking an exciting new chapter in the school's history. Benefits include:

• Competitive salary, above that of the maintained sector;
• Membership of the competitive Harrow Corporation DC Pension Scheme, which includes an additional 6% salary enhancement on top of the core salary scale;
• Fees remission for children of staff;
• Laptop for every member of teaching staff;
• A commitment to continuing professional development;
• Complimentary lunch during term-time;
• Use of the School's Sports Centre, including swimming pool;
• Discounted membership to Harrow School's Golf Club;
• Cycle to Work Scheme
Closing date: Midday, Thursday 7 May 2026 Interview Date: Week commencing 11 May 2026 Please apply as soon as possible. Applications will be assessed in order of receipt, and we reserve the right to interview and make an appointment before this date, should a suitable applicant be found. The School is committed to safeguarding and promoting the welfare of children and young people and expects all staff and volunteers to share this commitment. All successful applicants must be willing to undergo enhanced child protection screening appropriate to the post, including checks with any past employers and an Enhanced check with the Disclosure and Barring Service, and it is an offence to apply for the role if the applicant is barred from engaging in regulated activity relevant to children. Online searches will be carried out if you are shortlisted. Please refer to the School's Recruitment, Selection and Disclosure Policy for more details. No member of staff will be able to start until these checks are complete, and this process can take, on average, one month. Please plan accordingly. As a provider of employment and education, we value the diversity of our staff and students. We are committed to providing a fair, equitable and mutually supportive learning and working environment for our students and staff.

John Lyon is a leading academically selective co-educational independent day school for pupils aged 2-18, located in Harrow-on-the-Hill, North West London. With a proud heritage dating back to 1876, the school has evolved into a thriving all-through school following its 2021 amalgamation with Quainton Hall Prep School. In the same year, we welcomed our first girls as pupils, marking an exciting new chapter in the school's history., As a provider of employment and education, we value the diversity of our staff and students. We are committed to providing a fair, equitable and mutually supportive learning and working environment for our students and staff.


• Competitive salary, above that of the maintained sector;
• Membership of the competitive Harrow Corporation DC Pension Scheme, which includes an additional 6% salary enhancement on top of the core salary scale;
• Fees remission for children of staff;
• Laptop for every member of teaching staff;
• A commitment to continuing professional development;
• Complimentary lunch during term-time;
• Use of the School's Sports Centre, including swimming pool;
• Discounted membership to Harrow School's Golf Club;
• Cycle to Work Scheme