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Secondary Advisers

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Diana Choulerton has 25 years’ experience working in education as a teacher, leader and inspector. Diana has worked as one of Her Majesty’s Inspectors (HMI) from 2014 to 2017.  During this time Diana has developed a wide range of experience and high level of skill related to inspection and education improvement.  This included leading inspections and monitoring visits of primary and secondary schools as well as SEND area inspections.  Whilst working as an HMI she also took on the role of Ofsted National Lead for Design and Technology.  Prior to joining Ofsted she worked as a senior advisor for a local authority leading on 14 to 19 strategy.  Diana also has 13 years’ previous experience working in secondary schools holding middle and senior leadership responsibilities in that time.

Diana offers insight, support and advice for leaders in primary and secondary schools and local authorities on all aspects of education improvement.  Specific areas of expertise include; change management, monitoring and evaluation, development planning, curriculum and assessment, teaching pedagogy, SEND reform implementation and 14-19 strategy.  Diana also remains passionate about D&T education and welcome opportunities to utilise my expertise in the subject.

Diana Choulerton
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Hayley Follett is currently a Deputy Head Teacher in an 11-18 comprehensive secondary school in North London. She has been teaching in the secondary phase since 1994.  Hayley was accredited with Advanced Skills Teacher status and worked across her Local Authority whilst being a Head of Science for 9 years before moving into leadership and inspection.  Her expertise is in effective teaching and learning.

Hayley Follett
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Margaret Julia Goodchild is a highly experienced educational consultant and Ofsted lead inspector who has successfully passed the assessment to continue leading inspections for Ofsted from September 2015. She has 22 years’ experience in inspecting and supporting nursery, primary, secondary and special schools and PRUs, and undertaking quality assurance work for inspection service providers. She has wide cross-phase teaching and advisory experience and was a Senior Lecturer in Education at Middlesex University with a national role in SEN and EAL. She has been an External Adviser for the Performance Management of Headteachers, and an Advanced Skills Teacher assessor. She is a published writer of EYFS materials for parents and practitioners and of school self-evaluation materials. She is a fully trained counsellor as well as being an educationalist. Margaret is able to provide the following services to schools: school improvement reviews focusing on whole school effectiveness or aspects of provision chosen by the school; governance reviews; early years reviews; headteacher appraisal; coaching for senior and middle leaders; support for school leaders in improving teaching and learning, including through joint lesson observations, and in the use of self-evaluation for continuous school improvement. Margaret also has particular expertise in relation to special educational needs and alternative provision and is Hertfordshire Improvement Partner for 11 special schools.

Margaret Julia Goodchild
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Royden Gothelf is a chartered IT professional providing independent advice to Primary, Secondary and Academy school leaders on cost management and strategic IT planning, linking the use of technology to whole school outcomes such as improve teaching and learning.  The approach gives the school a platform for moving forward, reducing spending in areas.

Royden is based in Barnet having over 30 years experience on the use of technology to deliver innovative changes in the workplace and in teaching and learning.

Royden provides advice and training to senior leaders, governors and trustees on: comprehensive strategic plan linking IT to whole school plans, use of technologies in the classroom, management of documents meeting GDPR and Safeguarding, data analysis and management, emerging technologies for use in education and how to be ready to benefit from them - e.g. AI (Artificial Intelligence), Procurement of IT - getting the best from suppliers. 

Royden Gothelf
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Sunny Gunessee has taught for 15 years and held a range of middle and senior leader roles ranging from head of department, head of faculty and associate assistant headteacher across Sussex, Surrey and Essex. Sunny currently holds the position of lead practitioner for teaching and learning at JCoSS. He prides himself on delivering consistently excellent outcomes for key stage four and five as a Sociology teacher and supporting departments and faculties in and outside of Humanities. Sunny has a keen interest in supporting project based work which links different parts of a school organisation together alongside external organisation/educational charities and speakers. Sunny also has professional interest including the development and capacity building of staff at all levels to create consistency in the school improvement. Sunny can offer support in Sociology at KS4/5; teaching and learning strategies which support independence; curriculum planning; capacity building; ECT/SCITT supporting mentors; coaching of middle and senior leaders; use of technology to enhance learning inside and outside of the classroom; careers advice.

Sunny Gunessee
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Bob Hamlyn has extensive school leadership experience and has served for 17 years as a headteacher in two contrasting London schools. Within these roles Bob has chaired local authority headteacher groups and worked closely with key stakeholders to help secure school improvement.  More recently he has led inspections in primary, secondary and all-through settings across the London region. Bob therefore has a strong understanding of the inspection framework, including identifying best practice related to curriculum design and implementation, and safeguarding procedures. 


Bob can also offer support in: coaching and supporting school leaders; helping leaders to develop effective self evaluation and school improvement plans; developing effective governing bodies; dealing with complex complaints.

Bob Hamlyn
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Kim Henderson has been involved in Physical Education for over 30 years as a secondary teacher and then Advisory Teacher for primary PE. She has worked as the National Sports College Development Officer for the Youth Sport Trust and led primary teacher training courses for PE at St Marys, Twickenham and Hertfordshire Universities. Kim has been the key LA Officer in setting up the four School Sport Partnerships that have had a huge impact on high quality PE and School Sport in Barnet. She has recently achieved approved provider status for PE CPD from the National Association for Physical Education and currently there are only eight other Local Authority PE consultants or agencies in the country with this status. Kim is passionate about her subject and strongly believes that PE can play a vital role in developing effective learners as well as contributing to their physical and emotional well-being. She can offer a huge range of support including exemplar high quality lessons; health and safety issues; exemplification of standards; and subject leadership. She can help your school to be a healthy, physically active school by supporting family programmes, through links with clubs and community providers and by gaining the most from local and national opportunities such as London 2012. Kim has recently carried the Olympic torch through Barnet and currently is a 2012 volunteer working as an Audience Leader at both the Paralympic opening and closing ceremonies.

Kim Henderson
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Jeff Howson has worked with Primary and Secondary schools across the UK and internationally for over 35 years as a teacher, HOD, senior teacher, examiner, trainer, project manager, adviser and education consultant. Specialising in innovation within education, Jeff passionately believes that ICT can be used in new and exciting ways, sharing ideas resources and best practice, making a difference, raising standards and maximising opportunities and achievements for all. Jeff can provide a range of consultancy guidance and support that includes:
Strategic ICT Leadership; ICT Reviews; ICT Procurement; E-Safety; Project Based Learning; E-Learning; Change Management and CPD workshops for all staff; Learning Platform development; Curriculum Development; ICT Curriculum development; Vocational and Community links; AFL; saving money using ICT; policies and procedures; G&T projects; international links; national projects (e.g Making the News / Myths and Legends etc); accessing free resources and how to create them; implementing the latest communication and collaboration tools; using tablets in the classroom; innovative classroom practice e.g. the flipped classroom and design thinking; ICT and Literacy, Numeracy and Science; developing e-books and e-libraries.

Jeff Howson
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Patrick Moriarty has 20 years’ experience as a senior leader in secondary schools, 10 of them as Headteacher at JCoSS in Barnet. His 35-year career in North London schools has included selective and all-ability, single-sex and mixed, faith and non-faith, independent and maintained institutions. He took JCoSS in a decade from pre-opening (as sole Deputy) to Sunday Times Greater London School of the Year (as Head). He is guided by a desire for inclusion and aspirational achievement, humour and humanity in leadership, and the highest standards across the teaching profession.


He can offer support across the range of issues facing school leaders, in particular:

Whole-school vision and ethos development; Leadership and team culture; Headteacher coaching and appraisal; Conflict management; Inclusion strategy and practice; Curriculum development and innovation; Vocational education; Marketing, communications and parental engagement; Recruitment and retention strategy.

Patrick Moriarty
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Jane Morris has more than fourteen years of experience working in education for the London Borough of Barnet.  She is the lead for School Exclusion and whole school training for Safeguarding and Child Protection.  Jane works in partnership with Head Teachers and Senior Leadership Teams in a supportive capacity and is a Governor of a Barnet primary school.  Jane is the Education Representative in MASH (Multi Agency Safeguarding Hub) working with Social Care professionals advising on educational issues.  Jane is also an Executive/Performance Coach currently working towards the Level 7 ILM in Executive Coaching and Mentoring.  Jane provides Level One Child Protection Training to all schools and school governors in both the primary and secondary phase including the independent sector and specialist providers in education.  Jane also offers a safeguarding audit of individual school processes and procedures.

Jane Morris
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Craig has over ten years senior leadership experience including two as acting headteacher of an outstanding secondary school. In addition, his other roles include being; a PiXL associate, Chief Financial Officer of a stand-alone academy and the Chair of Governors at a primary school.

Craig can offer support in the following areas: effective use of data to improve pedagogy and outcomes for students; development of the curriculum in order that it is ambitious, well planned, and clearly sequenced; subject and pastoral based reviews to support leaders in creating efficient strategies to improve outcomes.

Craig McGuire
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Miranda Perry has held senior positions in the primary, secondary and advisory education sector. She has considerable experience as a lead Ofsted inspector for primary and secondary schools. She works as an education consultant for government research trials, as a school improvement partner for local authorities and with schools who want to develop 'beyond outstanding'.  She runs a range of courses and workshops for BPSI on, for example, effective self-evaluation and school improvement planning, interpreting RoL and impactful interventions.
Her qualifications include NPQH, a research MA in public sector change, Diplomas in Counselling, and Change Management.
Miranda can offer the following support: SEF and SIP writing; data analysis, use of data, and interpretation of RoL; school reviews, headteacher appraisal; impactful interventions and feedback, effective work scrutiny; effective monitoring of teaching and learning; improving progress of groups; 'beyond outstanding'.

Miranda Perry
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Penny Rabiger was a primary and secondary school teacher for 12 years. Since 2007, she has been supporting school leadership, working with social enterprises and charities. She was Director of Business Development and one of the founding team that set up The Key for School Leaders, Head of Membership at Challenge Partners, and Director of Engagement at the Finnish edtech resource, Lyfta.

Penny is a long-serving school governor and MAT trustee. She is a co-founder and trustee of The BAMEed Network, member of the Haringey BAME achievement group, an NFER associate, and a coach for the Leeds Beckett University Antiracist Schools Award. She is a PhD candidate researching antiracism, school leadership and governance.

Penny can offer support and challenge:

  • Strengthening governance (Recruitment, induction, succession, EDI & antiracism, BAME achievement, strategic planning, governance reviews)

  • Race and antiracism (Racial literacy, strategic planning  and whole-school antiracist strategy, understanding inherent bias, cultural capital & the curriculum, diverse recruitment, retention and staff development)

  • Coaching for success (Strength-based support for leaders)

  • INSET, CPD and conference curation (Sourcing & engaging diverse speakers, impactful workshop delivery, end-to-end design, delivery & debrief of CPD and conferences)

  • Project management (Research, focus groups, strategic planning and bringing ideas & initiatives to fruition)

Penny Rabiger

Charles Rice is an experienced Local Authority school improvement adviser and Secondary school-based Senior Leader who is currently working part-time as the Barnet Secondary Learning Network Inspector. He is also continuing to inspect for Ofsted under the September 2015 Framework. He provides monitoring, challenge and support to Primaries as well as to Secondaries, and has a particular interest in whole school and subject-specific literacy development. Two years as an Achievement Coach for Achievement for All broadened his experience of SEND. Charles offers a range of in-school activities designed to develop leadership at all levels.

Charles Rice
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Alexander Rosenberg is an artist, writer and educator with a background in cognitive neuroscience. Working across a range of disciplines allows for an approach that is creative and playful, as well as rooted in cutting-edge research. Since 2013, he has applied this diverse thinking to designing educational tools, providing student workshops and teacher training across the UK.

As a practicing artist, much of his work with teachers involves building their confidence in being creative themselves. Whether that be in inspiring visual and fluent creative writing, or harnessing the power of ‘making stuff’ to enhance learning in any given context. Alexander’s cognitive research experience at both UCL and Harvard’s neuroimaging laboratory focused on the use of humour in how the human brain absorbs information. This is reflected in his warm, personable style. He has written and illustrated a number of dynamic resources that are used by thousands of teachers, students and parents nationally and endorsed by leading educational consultants.

Alexander can offer support in the following areas at both primary and secondary level: raising the standard for creative writing; making reading comprehension relatable; ambitious and academic art education; supporting students in cultivating revision methods and organisational skills through to A-level.

Alexander Rosenberg
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Justin Smith has been working in the education sector for 16 years, following a career spent in private sector business development and marketing.  In 2017 Justin established Chameleon Training and Consultancy, providing specialist marketing and income generation support to schools, academies and FE Colleges.


Since moving into the public sector Justin has worked, at senior leadership level, in 3 large secondary schools in Suffolk and Norfolk. Leading support teams, Justin specialised in community relations and developing sustainable collaborations with business; identifying commercial opportunities that can be mutually beneficial to both the school and the business partner. Justin is a vastly experienced bid writer with a strong track record in raising funds for schools via conventional trust funds, grants and sponsorships. To date Justin has raised over securing £1 million in additional, sustainable revenue for schools and as recently as the summer of 2017 supported Wymondham College with a successful capital fund grant of over £2 million.


Justin can offer support in the following areas:  Income Generation; Bid Writing, Marketing; Communications. 

A strong advocate of the benefits of networking and forging long term relationships, Justin passionately believes that “it’s all about the people” and is an enthusiastic and energetic practitioner.

In 2015 Justin was awarded the National Association of School Business Management Marketing Award and became a NASBM Fellow in 2017.

Justin Smith
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Sasha has worked at JCoSS for 9 years and had many different roles during this time. As a 2 i/c of the Religious Studies department, there has been much gained in planning and training a team to be engaged with curriculum changes, exam protocol and how to instil a love for learning. In addition,

Sasha has also taken on the role of Head of Year and the teacher i/c of Pupil Premium. In both these roles, there was a focus on intertwining Teaching and Learning with pastoral responsibility, focusing on embedding a pastoral curriculum in the school framework to help support students and work with form tutors. Currently, Sasha is now Lead Practitioner for Teaching and Learning, helping improve the T&L across the school.

Sasha Stock
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Michael has extensive experience as a headteacher working in London schools, including ten years leading a school in Barnet. He is a qualified and experienced coach working in the educational and business sectors. His two most recent headships were in all through schools and working across primary and secondary is a particular area of Michael’s expertise.

Michael can offer support in all aspects of educational leadership and specialises in the following areas:

  • leadership coaching

  • student coaching

  • strategic development

  • curriculum design

  • developing school culture

Michael Whitworth
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