It is standard practice to acknowledge funders.
Are you receiving funding from the NSW Department of Education?
Do you acknowledge them on your website and in the signature of your school's emails?
One of the Department of Education’s Terms and Conditions of Funding for CL Schools which you might have missed is from
"Section 7. MISCELLANEOUS
7.1 Warranties: A warranty is a promise.
You promise the following:
"(ii). You must mention the support of the Department, and or the Minister responsible for the Department in any publications, promotional material, advertising and media publicity, correspondence or reports about the Project, except for those that only You and the Department will see. The specific acknowledgement to be used is: “This program is funded by the NSW Government and administered by the NSW Department of Education”. Promotional material includes all forms of electronic media, the Internet and World Wide Web (www)."