They put them all out as albums.  I would definitely try a used records
store orperhaps a library in your area that has a children's section
might have them.  Good luck.
 
On Wed, 30 Nov 1994, JARROD W CALLIHAN wrote:
 
> Does anyone know where I can get a compilation soundtrack of ABC's Saturday
>  morning educational cartoon Schoolhouse Rock?
>
> Thanks in advance.
>