That is so true, especially as the OP’s school has never sent a student to Harvard or to any other selective college. Many of the feeder schools for HYPSM, for example, have teacher training sessions for writing letters of recommendation that are actually taught by Admissions Officers at those schools. As LoR’s are so important – especially from a school that Harvard does not know – you don’t want your school administrator or teacher to accidentally torpedo your application: http://marymountcollegeadmissionblog.blogspot.com/2011/01/when-recommendations-attack-worst.html