How can I find non profits to offer video editing services to?

I'm interested in offering my video editing skills to non profits that might need videos and motion graphics related services, free of charge (I'm not sure if that goes without saying). However, I'm a minor and a student, so I'm not sure if that will impact my ability in finding groups that will want to give me chance. Where can I find non profits or ask anywhere that might be interested?

submitted by /u/sunseteon
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