Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. US Students Win App Challenge Helping Children in Disaster Areas Durin Hendricks WASHINGTON - Winners are being announced for the 2019 Congressional App Challenge, an initiative taken by the United States Congress to encourage high school and middle school students across the country to get involved in computer science. The Congressional App Challenge has students designing apps that are then entered in competitions in their congressional district. More than 10,000 students across 304 congressional districts registered for this year's competition, the fifth year the challenge has been held. According to the Congressional App Challenge, 223 representatives held app challenges in their district in 2018, which was their previous record. For this year's challenge, 2,177 fully functioning apps were submitted. Texas Duo When Raina and Tracy are not playing tennis or making art, they are winning their district's Congressional App Challenge. The duo are now 10th graders in Texas' 22nd Congressional District, which largely covers the southcentral suburbs of Houston, Texas. .