I believe that there should be a ratio of 6 academic classes to 4 practical classes. At the graduate level a large majority of the courses you have taken already have been focused on academia. Academia is very important to set a base of knowledge that you need to know in order to apply it to practical situations. However, once you get into the job field you will only apply about half of the academia information you have learned meaning you need knowledge about the industry, how it is run, the different roles you can assume and the processes that you will run into on a weekly basis. Practical classes I think better prepare you for what you really want to do after school. Academia classes may help gauge your interest in a certain topic but the practical classes will help outline what you will do with that knowledge and if it is right for you. In addition, through practical classes you are exposed to simulations and real life scenarios that will make you learn more about the academia behind the problem, therefore you are still learning vital knowledge about the subject.