Teacher blunder revealed when mock exam arrived and text did n't feature . Students now having to cram to learn new text in a few weeks . Extra English lessons put on at Chelsea in Berkshire . School apologised and said investigation has been launched .
Teacher blunder revealed when mock exam arrived and text did n't feature . Students now having to cram to learn new text in a few weeks . Extra English lessons put on at Wellington College in Berkshire . School apologised and said investigation has been launched .