applying to cambridge university may have to take an entrance test next year for the first time in almost 30 years .
pupils applying to cambridge university may have to take an entrance test next year for the first time in almost 30 years .
at present , the university uses unified mark scheme -lrb- ums -rrb- scores calculated from students ' performance in their as-levels - which are known when they apply to decide which applicants are invited to interview .
but under coalition reforms planned to ` toughen up ' the qualifications , as exams will be optional for cohorts starting this september .