Just for the heck of it, I checked the on-line application for a local college in my neck of the woods. They wanted citizenship info.
In this era of wikileaks, Edward Snowden and Bradley Manning, I’m surprised that no one has successfully hacked Obama’s records. Even our Top Secret files get hacked these days.
Student visa records would also provide that information. College records are confidential, visa records aren’t.
The school registration form from 1967 to attend St. Francis of Assisi School in Jakarta, Indonesia was released years ago.
https://www.google.com/search?q=obama+st.+francis+of+assisi+school&safe=off&rlz=1C9BKJA_enUS644US644&hl=en-US&source=lnms&tbm=isch&sa=X&ved=0CAkQ_AUoAmoVChMI78Ko-tCQyAIVEjuICh3Hjg3h&biw=1024&bih=653#imgrc=J57Tfcu8xlX4CM%3A