Homeschoolers are always looking for ways to satisfy the computer science credit other than keyboarding.
Here are just a few option for computer programming both FREE and for purchase.
https://docs.google.com/document/d/100bNZqfgq32hjfwPemqxu2Q02XJCTR-EGyQtz9uweMU/edit
Simply keep a log of students work time on a particular project.
150-180 hours of logged work equates to the satisfied credit earned for computer science.
Have fun!