The decision follows a call from all nine of the county's MPs to resign after a damning inspection by the schools watchdog, Ofsted.
Norfolk County Council says Ms Christensen is taking early retirement and will receive only her contractual entitlement. She will receive two months’ gross salary in lieu of notice - £23,248.
More top news
From Granny Smiths to Knobbed Russets - a woman from Cambridge is doing a PHD in one of the nation's favourite fruits.
Silverstone managing director Richard Phillips, along with two other senior executives have been suspended.
The RSPCA is appealing for information after three cats were dumped in a lay-by in a sealed recycling box in Essex.