The Department for Education has confirmed in a letter to Darlington MP Jenny Chapman that the Mowden Hall site in the town will close.
The decision is part of a review of buildings used by the department. It is expected that staff will be relocated to new site in Darlington or Newcastle.
More top news
A group of high profile investors are calling for a review of how Sports Direct is run.
Hartlepool United manager Craig Hignett was clocked driving more than 104mph.
After the highs of winning at Sunderland, Middlesbrough were dumped out of the EFL Cup away at Championship Fulham.