I'd been treating iCal as my "source of truth" calendar and then making it sync outwards to Google Calendar. As it turns out, I now realise I was thinking about it all wrong. The trick is to make the Google Calendar the "source of truth" calendar and then have it sync out to everywhere else.
Google Teacher Tribe Podcast | Episode 2 with Karly Moura
http://www.shakeuplearning.com/blog/google-teacher-tribe-podcast-episode-2-karly-moura/
In this episode, you will hear from an inspiring teacher, Karly Moura. Karly shares her Google "spark," her favorite tricks, and not one but TWO LESSON PLANS!!! We also have some Google news and updates to share, and some great resources from our blogs.