West Mercia police have arrested three people on suspicion of murder after the body of a woman in her twenties was found at Harlescott Junior School in Shrewsbury.
A search for the woman, who has not yet been formally identified, was launched on Sunday (4 January) after concerns grew over her safety.
Her body was found at the school, on Featherbed Lane, shortly before midnight.
A 32-year-old man, a 31-year-old woman and 39-year-old man have been arrested on suspicion of murder.
Pupils had been set to return to the school after festive break but it will now remain closed as police conduct the murder investigation.