Police are investigating the theft of more than £15,000 of paintings and sculptures at Rookesbury Park School in Wickham.
Eleven paintings and nine sculptures were taken overnight between Wednesday, August 26, and Thursday, August 27. Many of the pieces are the work of local artists.
Officers are keen to speak to two people who were seen in the area acting suspiciously while artists were setting up their exhibition on the Wednesday afternoon.
The first is a man who is described as white, more than 6ft tall, slim aged in his 30s. He had short cropped hair and was wearing a dark t-shirt with 'window cleaner' embossed on the back.The second is a white woman, also in her 30s who was wearing a nurses uniform.