… formal approval from neighboring Native American tribes, two schools in … prohibits the use of Native American imagery as public school … two schools that use Native American imagery in their mascots: … maintain the use of Native American imagery at its schools. …… formal approval from neighboring Native American tribes, two schools in … prohibits the use of Native American imagery as public school … two schools that use Native American imagery in their mascots: … maintain the use of Native American imagery at its schools. …