Are u going in yr11 this sept, if so, then yes u can move to Higher in yr11 I was in the same position with u in yr10 I was in Foundation, but I did Higher paper for my end of yr. 10 mock and I did really good at it that why they move me to higher at the start of yr11, but I had a friend who did Foundation for our yr10 mock and she did very good she was also move to Higher at the start of yr11, but at my school we did a mock after Christmas that still allowed u to move to Higher