I am trying to use Houdini for me demo reel for school. And I am having trouble rendering. All of the tutorials I have found online are for the commercial version. I am looking for either a tutorial or some tips! I am trying to render a pyro sim at the moment. It isn't as high quality as I would like and I am not sure what I am doing wrong. Thanks in advance for the help!

There are no differences between Apprentice and Commercial in these regards. Afaik only the render output resolution is limited to HD which should be sufficient for a reel.