GradeA (http://www.dave256apps.com/gradea), a grading recording and reporting application for teachers, has been upgraded to version 2.0 and is now available in the Mac App Store. It requires Mac OS X 10.6.6 or higher and costs US$14.99.
GradeA allows you to record grades, email reports to students and/or parents. It supports customized categories (i.e., homework, exams, etc.) and multiple calculation methods (total points, weighted average of categories). Version 2.0 adds attendance functionality along with the ability to merge your iOS Attendance data with GradeA.
