Background: children evaluation of upper limb performance, reference values for YBT 6-12 years. going children. with 7 sub evaluated by YBT boys 102.15 score(CS) ranged from 55.14cm to 86.85 cm in both gender. UQ scores also increase in both genders. No significant gender differences existed, whereas males showed slightly greater values than females in all three reach directi Balance is important in various physical therapy evaluation in school going for performing various physical performance activities. Specific dynamic test for YBT-UQ is reliable method for assessment. Normal -UQ have not been established in school going Indian Objective: To estimate reference values of Y- Balance test in 6 Methods: Total 350 children (175 boys and 175 girls) was the estimated sample size -groups(6,7,8,9,10,11 & 12 years), 50 in each group i.e. 25 boys and 25 girls. Balance was -UQ in both groups. Results: The total excursion score(TES) of YBT +6.97 to 187.94+10.18cm and in girls 96.36+4.49 to182.63 Conclusion: children aged between -to12-years Indian school -UQ among + 3.61cm. The composite As age advances the YBT- ons (M,IL&SL),TES and CS.