[header] How to maintain good grades while playing a sport [title] Create a calendar. [step] Using a planner to keep track of important sports matches and school assignments can keep you on schedule. Opt for a calendar that allows space to create notes, so you can jot down critical dates and events. 
[substeps] When selecting a calendar, pick one that extends months out so you can take a long view of upcoming athletic practices and assignments. Keep a pen handy too, so you can write things down as they come up.