IT’S AN AGE-OLD DEBATE: SHOULD GIRLS AND BOYS BE TAUGHT SEPARATELY? WITH STATISTICS APPEARING TO SHOW THAT GIRLS IN SINGLE-SEX SCHOOLS GET BETTER EXAM RESULTS THAN THOSE IN MIXED SCHOOLS, HOW CAN FAMILIES ENSURE THAT THEY MAKE A DECISION IN THEIR CHILD’S BEST INTERESTS? HEATHER CARRUTHERS REPORTS.