Back-to-school week is big for everyone involved, from families to students to school employees … but there are three people in the latter category for whom this is an especially big day: Three new principals for Seattle Public Schools in West Seattle. This morning, we stopped by Arbor Heights Elementary to say hi to new principal Christy Collins, whose appointment we reported here back in June. She’s keeping the Arbor Heights school community up to date with her own new website (see it here), complementing AH’s longtime site. Collins succeeds Dr. Carol Coram, who is now an assistant principal at the newly dedicated Denny International Middle School. We checked in with West Seattle’s other two new principals yesterday – Chris Kinsey at Chief Sealth International High School (during the Denny dedication) and Jo Lute-Ervin at Lafayette Elementary (during her school’s playground dedication).