#Newsround #raac #concrete #concrete

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In September, at the start of the new term, some schools couldn't fully reopen because of Raac - a type of lightweight concrete used in buildings.

It was found to be crumbly and unsafe, so for a while some pupils couldn't head back into the classroom and had to do online learning.

It has now been more than six months since problems with Raac first started, but there are still many students who are being affected by the issue.

Newsround visited a secondary school near Ipswich where students are missing out on science experiments, are often moved from classrooms and feel like they are behind with their education.

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