125 For+years+our+department+has+been+using+the+%27Beep%26quot%3b+test%2c+during+which+students+perform+a+20m+shuttle+runs+until+they+drop+out%2e+It+has+proven+itself+to+be+one+of+the+most+reliable+predictors+of+aerobic+fitness+and+it+is+easy+to+conduct+even+with+large+number+of+kids%2e%0aHowever%2c+the+test+was+developed+by+the+University+of+Loughborough+%28England%29+in+order+to+predict+VO2max+uptake+of+athletes+and+the+performance+ratings+provided+relate+to+adults%2e+No+performance+scale+exits+for+younger+students+%28i%2ee%2e12%2d15+years+of+age%29%2e%0aI+was+just+wondering+what+other+colleagues+use+and+%2for+whether+maybe+some+of+you+use+the+same+%27Beep%27test+at+your+school+and+share+with+me+their+performance+rating+scale%2e%0amany+thanks%0aUlli%0afrom+Singapore%2c+South+East+Asia