the grant. (2) Waiver The Secretary shall waive the requirement of paragraph (1) for a local educational agency if the number of children counted under section 1124(c)(1)(A) of the Elementary and Secondary Education Act of 1965 ( 20 U.S.C. 6333(c)(1)(A) ) is 20 percent or more of the total number of children aged 5 to 17, inclusive, served by the local educational agency. (d) Training and coordination required A local educational agency that receives a grant under this section shall demonstrate that, for each elementary and secondary school at which the nebulizers are to be used— (1) there is a full-time certified school nurse on staff