This Forbes.com blog is a compilation of expert advice from the company's Business Development Council. It provides clear steps to solid partnerships. While it is written for the private sector; the same things apply in the non-profit world.
Among the helpful tips are "Don't Overpromise Resources and Time" and "Execute in Phases". Consider what you are doing well and what you can improve on. Then, make a plan to make some changes. The more solid our partnerships, the more effective our work will be.
Enhancing your parent center's ability to partner/collaborate.