When using the GI Bill® in an Apprenticeship Program, you will be submitting it through your employer. 

More information on using the GI Bill in an apprenticeship program is located at: www.va.gov/education/about-gi-bill-benefits/how-to-use-benefits/on-the-job-training-apprenticeships/

A list of approved employers is listed at: https://veterans.idaho.gov/education/

The VA does not pay for the tuition of Apprenticeship courses. See Does Veteran Affairs care which classes I take?