About This Role
Be a Part of a Community Driven by Opportunity at Harwich and Dovercourt High School
Achieve, Belong, Connect Develop
Are you an exceptional Mathematics teacher ready to extend your impact beyond your own classroom? Do you have the credibility and expertise to support colleagues in refining their practice and securing strong outcomes for all students?
Harwich and Dovercourt High School are seeking to appoint a Lead Practitioner in Mathematics to play a key role in strengthening teaching and learning across the faculty and wider school.
HDHS is a popular 11–16 comprehensive school situated on the north-east Essex coast and part of The Sigma Trust.
As one of the only Reading Schools in the country, literacy and scholarship underpin our curriculum in every subject, including Mathematics. We believe that no child should be left behind and that opportunity affords choice. Our ethos — Achieve, Belong, Connect and Develop — shapes both our academic and pastoral work. Whether you're an experienced professional or just starting your career, we offer a dynamic and stimulating environment where you can truly thrive.
We Offer
A culture of high expectations and strong professional relationships
A clear, centralised approach to behaviour and student support
A curriculum shaped by evidence-informed practice
Access to high-quality CPD and cross-Trust collaboration
Genuine opportunities for career progression
We are committed to securing consistently strong outcomes and high-quality classroom practice for every student, and this role is central to that work.
A Day in the Life
You'll be responsible for bringing your passion and expertise to the following areas:
Model exceptional, research-informed teaching practice
Lead improvement in teaching and learning across the faculty
Coach and mentor colleagues to strengthen classroom practice
Support the development of teachers at all stages of their career
Lead structured quality assurance, including lesson observation and work scrutiny
Analyse performance data to inform strategic improvement
Contribute to whole-school CPD
Teach a reduced but impactful timetable
This is a visible, practice-focused role requiring credibility in the classroom and the professional skill to influence and support others.
What We're Looking For:
You are the perfect fit for our team if you have:Hold Qualified Teacher Status
Be an excellent classroom practitioner with a track record of strong outcomes
Have experience supporting colleagues to improve their practice
Demonstrate strong subject knowledge and pedagogical expertise
Have high expectations of yourself and others
Be committed to safeguarding and inclusive practice
Hold Qualified Teacher Status
Be an excellent classroom practitioner with a track record of strong outcomes
Have experience supporting colleagues to improve their practice
Demonstrate strong subject knowledge and pedagogical expertise
Have high expectations of yourself and others
Be committed to safeguarding and inclusive practice
We are seeking someone who combines clarity with approachability — a practitioner who can build trust while maintaining uncompromising standards.
Why Choose The Sigma Trust?
We believe in investing in our staff and fostering a culture of collaboration. We offer a competitive salary and a comprehensive package designed to support your professional and personal life.
Employee Benefits A competitive salary and excellent pension scheme. A Health Cash Plan and Employee Assistance Programme for your well-being. Exclusive perks like the Cycle to Work scheme, discounted gym memberships, cinema tickets, and eligibility for a Blue Light Card. The Sigma Trust is committed to safeguarding and protecting the children and young people that we work with. As such, all posts are subject to safer recruitment processes, including the disclosure of criminal records, online checks and other vetting checks. We ensure that we have a range of policies in place which promote safeguarding and safer working practice across our schools. The Sigma Trust is proud to be an equal opportunity workplace. We are committed to equal employment opportunities regardless of any protected characteristics. This is embedded in our vision ‘To Be Greater Than The Sum Of Its Parts’, where we believe we are strong and more successful working together, creating a workplace which celebrates diversity. Ready to take the next step? Find out more about the role and apply by 14th April 2026 at Midnight via the following link: https://www.sigmatrust.org.uk/join-us/opportunities-with-us Nb: Only fully completed application forms will be accepted. We reserve the right to close the advert early if we receive a large number of applications. We are managing all current recruitment directly and kindly request that agencies do not contact us regarding open positions.Commitment to Safeguarding & Diversity
To Apply
Interview date – Monday 20th of April 2026
Lead practice. Raise standards. Shape the future of Mathematics at HDHS.
Please note that we reserve the right to close this advert early should we receive an
overwhelming response. Candidates may be invited to interview prior to the closing date, so an early application is advised.