MySchoolManager 1.2.2 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The software lies within Productivity Tools, more precisely Mind-mapping. This free Mac application is a product of Luca Blume. We recommend checking the downloaded files with any free antivirus.
From the developer:
MySchoolManager helps you organize your school day and learn efficiently. You will find on the dashboard all important information, ranging from your grades to your subjects. You can enter appointments and be reminded of them in advance via push notifications. You can enter your school hours in the timetable to be perfectly prepared for your next school day. The learning sessions help you to divide your learning into time units.
You may want to check out more Mac applications, such as LifeShaker, Dates to iCal or SplashNotes iPhone Desktop, which might be related to MySchoolManager.