A school is set to close “with great sadness” this summer after four decades in town. Downham Preparatory School, which caters for children aged up to 13, will shut its doors for good on July 11, it has been confirmed. The school was judged to be ‘Good’ in all areas by Ofsted, the education watchdog, in a report published just two months ago. Downham Prep is adjoined to the Montessori Nursery, which will remain open. Both are run by Elizabeth Laffeaty-Sharpe, who the Lynn News contacted for comment last week. However, she nor the school have yet to respond, meaning the exact reasons for the cl…