Many computers and even smart phones now come built in with the capability to create and edit video. The best advice is to “just do it”. Your first attempts will not be “Oscar quality”, but things will improve with time.
Your local school district network, PBS station, or public access channel are all possibilities for displaying or distributing student works. Check too with your local TV stations. Many are looking for extra content to include in their secondary video channels.
Please note that these advanced tools can carry advanced price tags. As well as purchase price, these tools require a significant time commitment to learning and maybe even the services of a mentor.