Cygnus Teaching School Alliance

Who's Who at Cygnus

Meet the Cygnus Team:


Sharon Cromie

Sharon Cromie is Headteacher of Wycombe High School (WHS), with responsibility for an outstanding selective school.  Sharon became a National Leader of Education in 2013.  Prior to joining WHS, Sharon worked in a range of other schools and colleges and has experience of selective, non-selective, FE and HE institutions.  She is currently employed as an Ofsted Inspector, is a member of the Buckinghamshire Schools Forum and Children’s Partnership Board and sits on the National Centre for Computing Education (NCCE) Advisory Board.

Sally Jarrett
Cygnus Teaching School Alliance Lead

Sally is Deputy Headteacher at Wycombe High School (WHS) and leads the Cygnus Teaching School Alliance.  She has overarching responsibility for its Appropriate Body Service for NQTs in Buckinghamshire and beyond, the leadership and development of the National Mathematics and Physics SCITT (NMAPS), Cygnus CPD events and activities and School-to-School support.  Sally is also the Acclimatisation and CPD Lead for the International Teacher Recruitment Programme.

Prior to joining WHS, Sally held a variety of senior leadership positions within selective and comprehensive schools.  At WHS, she has been the strategic and operational lead on a range of initiatives and developments within and beyond the school and has a proven track record of positive impact on outcomes.

Cathy Hillier
Teaching School Manager
Acting Director of the National Maths and Physics SCITT

Cathy is the Teaching School Manager and is the first point of contact for enquiries regarding CPD events and activities, School-to-School Support, SLE applications and deployments and the International Teacher Recruitment Programme.

Cathy has worked in education since 2007 and has held a variety of positions in both selective and non-selective schools, bringing a wealth of experience to the Teaching School.

Cathy is also Acting Director of NMAPS.  She has overarching responsibility for all aspects of the national programme.  NMAPS is striving to ensure that an increasing number of well-qualified trainees join and thrive in the teaching profession.

For further information regarding subject specialist teacher training in Mathematics and Physics or for schools that wish to express an interest in being a placement school for a high-quality trainee in either of these subjects please click here

Fran McKay and Janet Edwards
Cygnus Teaching School Administrators

Fran and Janet are the administrators for Cygnus Teaching School.  You can contact them regarding enquiries and applications for our Appropriate Body Services and CPD for NQTs using the 'contact' button below or emailing

Prior to joining WHS, Fran has a lot of experience working for a Teaching School Alliance and a SCITT in West Yorkshire. Fran is the first point of contact for enquiries regarding our Appropriate Body services or NQT concerns.

Janet was previously an Operations Specialist for an examination institute in High Wycombe and is also a former student of Wycombe High School.

Abha Miller 
Maths Hub Lead 

Abha is the BBO Maths Hubs Lead.  She has been an Assistant Headteacher at Wycombe High School since Sept 2017.  Prior to this, Abha taught in range of non-selective diverse state schools in London and the East of England.  Abha is passionate about Mathematics Education and has been teaching for over 25 years.  She has held both Mathematics and Senior Leadership positions and is committed to making a difference.  Abha is a member of the Mathematics Association and the Association of Teachers of Mathematics and enjoys developing and nurturing the mathematical experience for students and teachers.

For more information on the BBO click here.