So there was this contest called Math-O-Vision put on by Dartmouth, that I never heard about until it was over. (I'm glad I heard about Mathagogy's initiative in time.) They invited high school students to create videos "at most four minutes in length telling original stories inspired by mathematics".
I learned of the contest just before the winners were announced. They were highlighting the finalists at that time, and I loved this video by Emily Griffith (which got a third place award). I wonder if she lost points for adopting Vi Hart's style? I may biased, having seen this video before the others, but I like it better than the top two - I think because both of those felt like commercials for math, and I'm more interested in the details of playing with math.
I had a bit of fun playing with listening to this and a Vi Hart video at the same time.
Check out all the winning videos at the Math-O-Vision site.
Sounds like they'll be doing the contest again next year. I will let the high school students in my classes* know.
*Middle College High School is based within Contra Costa College, where I teach. I often have a number of high school students in my courses.