Bus route from Ewa, Beach Hawaii to Iolani School?

I understand there is a transfer along the way. I was planning to start at the bus stop across from Hawaii Medical Center West/ Fort Weaver/ Laulaunui. And after I know that i would get off around the State Capitol stop across from the State Library. So I was wondering which routes that I would take and the different combinations that i could take. Apparently I need to be at school by 7:30 A.M. so it would be best if i got out there earlier. Thanks in advance :)