Blog

What the research says about instructional coaching and mentoring for teachers, including effect sizes, what predicts success, and why bigger programmes underperform smaller ones.

Why professional development is one of the most cost-effective retention tools international schools have, and how to build it into your retention strategy.

What the Black and Wiliam research on formative assessment actually says, and practical strategies international school teachers can use tomorrow.

Real numbers for professional development budgets: cost per teacher, % of payroll, and how to split spend between online, school-based and conference PD.

What teacher wellbeing and mental health training should cover in international schools, backed by burnout research, and how it connects to retention.

Why most professional development fails to change classroom practice, and the framework EduSpark's founder built to fix it: Discover, Learn, Apply, Reflect, Collaborate, Evidence, Grow.

he hub guide to PD in international schools: what it is, what it costs, what accreditation bodies expect, and where to go deeper on budget, safeguarding, retention and pedagogy.

A clear answer to what counts as CPD for international school teachers, how hours are tracked, and where to find it, free and paid.

How official IB workshops compare to self-paced online PD: cost, time, when each is required, and which self-paced courses are worth your time between workshops.

How international school teachers are actually using AI in 2026, for planning, feedback and differentiation, plus free and Pro EduSpark courses to build AI literacy properly.

What inquiry-based learning actually looks like in an international school classroom, the four types of inquiry, and real courses to build a culture of inquiry from Kath Murdoch and others.

A practical guide for international school leaders on planning a whole-school professional development programme teachers complete, covering goals, budget, calendar, and evidence.