Login to Facebook and navigate to your Page. Make sure the the status message is using the profile you want to post with.
From the #Share4Schools website, copy the URL and paste it in the status update form. The image and other basic information will automatically be pulled into your post message.
Change the URL into whatever messaging you would like to post and click the "Publish" button.
Login to your Twitter account and click the "Tweet" button.
Enter your message with your Twitter handle (@yourschoolshandle) throw in a hashtag and ask them to visit https://share4schools.com to share. Click "Tweet" to post it.