TRELLIS ARCH is a 501(c)(3) public charity that ensures children living in extreme poverty have access to a quality education. Providing a quality education for at-risk children living in extreme poverty. 100% of your donation goes to our projects. You give - we make it count! TRELLIS ARCH is a 501(c)(3) public charity created to ensure at-risk children have access to a quality education. We believe every child has value and purpose; every child has something to offer; and every child can make a difference in the world if given the right resources. Ensuring access to education – that is what Trellis Arch does.