You can participate by joining events, or doing small activities at home: https://www.weneedmore.com/participate
I think the Morse Code bracelet is VERY COOL and would be an awesome way to communicate to others. Bold, colorful, intriguing too!
To literally contribute, Verizon provides a link to code.org (very deserving non-profit who provides access to all who want to study computer science):
and.or you can also become a Fundraiser for the cause: https://donate.code.org/campaign/computer-science-education-week/c142257/fundraiser/create?amount=NaN you could then use your social networks to promote your page; you might even be able to use your involvement or passion for the cause when writing papers or giving presentations in your school classes.
Stay passionate about STEM -- the best way? Keep asking questions! I do every day.