Why us? Who are we?
Sigma Mathematics Academy is led by Andy, a UK-trained Maths educator with over 20 years of experience in teaching and school leadership.
Degree in Mathematics & Computer Science, Masters degree in Education
PGCE in Secondary Mathematics, Headteacher’s qualification
Former Vice Principal and School Improvement Consultant
Specialist in Cambridge iGCSE Maths and international curricula
Parents trust Sigma because students are taught by a real expert — not a tutoring marketplace.
Why Parents Choose Sigma Mathematics Academy?
Most students don’t struggle because they aren’t capable — they struggle because Maths is often rushed, confusing, or poorly explained.
At Sigma, we focus on:
Deep understanding, not memorisation
Exam technique and past paper mastery
Confidence-building for anxious learners
Extension challenge for Grade A*/A students
Small groups where every student is seen
Students leave lessons knowing exactly what to do — and why it works.
See what one of my current students Ayrton says by watching the video.
⭐ International School Parent (SE Asia)
“Portia gained understanding, filled learning gaps, and is now extremely well prepared for the Australian curriculum. We are very grateful for your help.”
⭐ Former A-Level Student (University of Leeds)
“Thank you for helping me achieve the Maths grade I needed to progress to university. I recommended my brother because of the support I received.”
⭐ iGCSE Parent Feedback
“The tutoring built confidence and made a real difference in exam performance. My child felt much more secure going into exams.”
⭐ Student Confidence Improvement
“My daughter’s confidence increased massively. She finally understood the topics she had struggled with for years.”
⭐ Professional School Endorsement (International Principal)
“Thank you for the valuable consultancy and support. Your expertise made a real impact on our teaching and learning strategy.”
Real Progress. Real Results.
Sigma is built on one goal:
Helping students understand Maths and succeed with confidence.
👉 To discuss the right class for your child, book a free assessment today.
A screenshot of a whiteboard from a real lesson
This is what parents have said about my tutoring:
