State law addresses diabetes plans.
General Laws of Massachusetts 71.54B Administration of medications in school settings; regulations
Notwithstanding any general or special law or regulation to the contrary, a school district shall not prohibit a student with diabetes from possessing and administering a glucose monitoring test and insulin delivery system, in accordance with department of public health regulations concerning a student’s self-administration of a prescription medication.
Managing Children with Diabetes in Schools
Not sure if this counts, it refers to a federal page on care