Use of Cathedral High School’s Celtic cross and/or the school name (i.e. “Cathedral High School,” “Cathedral,” “Irish”), the school’s motto, or the Cathedral crest, for any school-related spiritwear or items, (i.e. any club/group/athletic team T-shirts, etc.) must be pre-approved by the Director for Marketing and Communications (firstname.lastname@example.org). Additionally, only colors approved by the Cathedral High School Board of Trustees may be used to represent the logo and/or school name. These colors are navy blue, Kelly green and old gold.
A styleguide outlining approved colors, typefonts, and logos is available from the Marketing Department.There is no approved leprechaun for use by any groups associated with or sanctioned by Cathedral High School. Shamrocks may be used with approval of the Director for Marketing and Communications.
Also from the Branding Guidelines:
The Fighting Irish Leprechaun
Do not use “The Notre Dame leprechaun” character as this would violate Notre Dame’s trademark rights and subject the school to fines. Only uses of the leprechaun that were created prior to 2007 such as the gym floor, softball dugout, and practice field are allowable.