My bestfriend choosed me over her school?

Hi ok now look my best friend andrea choosed me over her school but what i mean is im going to middle school and she is too and she has a school that has a 6th grade first she tells me shes not going cause of this girl named kayla and i say YAY but then she calls me and says i cant go to milikan cause since 6th grade in CCS has been idk my whole life im sorry and she says well we meet again in 7th grade i mean what! shes my bff what if she makes new bffs and leaves me PLEASE HELP I CANT BELIVE SHE WOULD CHOOSE ME OVER HER SCHOOL!! ;(