The School shall cause the girls under its charge to be instructed in the branches of useful knowledge adapted to their age and capacity and in household employment, needlework and such other forms of industry as may be suited to their sex, age, strength and disposition and as may be best adapted to secure their improvement and future welfare. The School shall have regard to the character of those to whom the girls are entrusted, either in private homes or elsewhere, that they may secure to them the benefits of good example, wholesome instruction, improvement in virtue and knowledge and the opportunity to become intelligent, moral and useful members of society.