Primary school in brixton. And Katherines Primary Academy in essex. Just three of the more than 150 schools that wont be fully reopening as planned this week thanks to the presence of this, raac. A lightweight concrete used in the 50s, 60s and 70s but now often in a state of serious disrepair. Its a problem thats been known about for years. Five years ago, a Primary School building in kent collapsed, leading to wider concerns. Good morning, sir. So the questions of many parents are now asking of government why act only now, just days before the start of The New School year in england . We went through this exhaustive survey of 22,000 schools after the initial incident in 2018. Then, in the summer months, new information came to light that suggested that some of the buildings that had previously been classified as safe might not be. And so the Education Secretary acted immediately on that. The chancellor said the government would spend whatever it takes to keep children safe at school,