As part of my role in a small school, I design and maintain our website. Having considered for several months how to present our calendar in a useful, intuitive way, I may have found a solution. The following is a test, and would have the following copy:

Please see below the school calendar. Experiment with the ‘agenda’ and weekly view to see what is best for you. You can add this to your own calendars, too. Please note that due to the nature of a school, events may be cancelled or added, so do not take this as definitive.