Look for areas where change can improve education. Perhaps computer lab aids should not be used to teach computer skills. If the principal is the network administrator it might be reasonable to assign this duty to someone else. Select areas of student needs. It can't be done all at once, so decide where to start based on your assessment of critical needs.
Goal setting gives direction and reason.
They should also be written down. Organize by Developing an Action Plan Empower your team. Give them the ability to make change so they can accomplish their goals. Collect more information. At this stage you may need additional information so that goals can be adjusted to meet your needs.