States may be required to improve graduation rates and test scores — including the aspirational goal that all students are proficient in reading, math and science by 2014 — but they are given plenty of leeway in developing their own solutions in order to achieve them. (dropoutnation.net)
Given that Congress often ends up giving the executive branch plenty of leeway in such enforcement through the regulatory process, such an argument may not stand. (dropoutnation.net)
Obviously you will be in a constant state of flux around this number as your baby will be consuming some bottles and you will be pumping into and adding some bottles, but this extra amount gives plenty of leeway for a sick or growing baby, or a nervous dad who's heating up more milk than they need just in case...! (breastfeeding-babies.com)