The Russian invasion of Ukraine has destroyed so much — including hundreds of schools, where the country’s children were forging their futures — but it has not stopped Ukrainians from pursuing knowledge and curiosity.

An excellent example of leadership within education, with over 2 million views it’s a clear TED Talk favourite. With palpable passion, she shares the three principles that helped her turn around three schools labeled “low-performing and persistently dangerous.

Hailey Hardcastle explains why schools should offer mental health days and allow students time to practice emotional hygiene without stigma.