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Enrollment Open

Behind Every Behaviour

Is a Story Worth Knowing.

The Interplay Certification gives educators, health professionals, and parents a deeper framework for understanding children, one that creates lasting change.

1M+

Families Impacted

5★

Practitioner Reviews

100

Hours of Learning

What Practitioners Say

The understanding that changes everything.

"I have done so many courses and understood more from this than all the others put together. Donna breaks everything down so you walk away with genuine clarity."

Julie Black McCall

Educator

"I learned more in 3.5 hours with Donna than in some of my other training combined. I now have a completely different way of understanding the children I work with."

SEN Practitioner

Special Educational Needs, UK

"I came away with so much. I have already passed the takeaway points on to colleagues and to a parent, who both found them incredibly insightful and useful."

Vicky Gordon

Educator

"

Bringing the unconscious into conscious awareness, developing self-understanding, and reconnecting to self and each other while synchronising and attuning. That is the recipe for secure attachment.

Donna Berry, Creator of Interplay

What’s Included

100 Hours of Learning

Structured online modules you work through at your own pace, with immediate access from the moment you enrol.

Cee-it App Access

Practical tools to help you observe behaviour patterns, understand underlying influences, and decide on the right support strategies.

Interplay Certification

A certification on completion that demonstrates your understanding of trauma-informed practice and the Interplay framework.

Immediate Access

All course materials are available from day one. No waiting, no drip-feeding. Start learning the moment you enrol.

Practitioner Community

Connect with educators, health professionals, and parents across Australia, the UK, and Asia who are applying Interplay in the field.

Flexible Payment Plan

Enroll through a payment plan and get full access straight away. No need to pay everything upfront to get started.

Donna Berry (Rego)

Donna Berry is the founder of Interplay International and a qualified social worker, play therapist, family therapist, and play therapy supervisor with over 27 years of experience working with children and families. A founding member of the Australian Play Therapists Association (APTA) and board member of Hear My Voice, Donna has worked across government, private, fostering, adoption, child protection, and non-profit settings. She is an international presenter and the creator of Interplay, a research-based, attachment-focused therapeutic model now used by certified professionals across Australia, the UK, and Asia.

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Begin seeing children differently.

Enroll in the Interplay Certification and gain the understanding that creates lasting change for the children in your life.

Payment plan available. Immediate access upon enrolment.