Yes, trade schools and vocational colleges will typically accept enrollees that have a criminal record, and most programs will accept felons and ex-felons. This means that you should always do thorough research about the policies for hiring and other potential barriers that exist for certifications or licensing in the state you want to work in. While you may be able to attend the trade school, you may not be eligible to obtain a working license or certification in your state. So, despite graduating from your respective program and getting a degree or certificate, you could be prevented from working in the industry of your choice due to specific barriers in the state.