Looking at the admissions procedure they just need a pass (do correct me if you've read somewhere else that it goes on score) and then be within distance. If you are close to the school then the scores of your daughters will be treated the same. Well done on some great scores.http://www.kent.gov.uk/education-and-children/schools/school-places/admissions-criteria/admissions-criteria-201718/secondary-201718
Oversubscription criteria (assuming pass in Kent Test):
Tie-break for equal distance, random selection.