Property Owned by School Employees. All property personally and/or individually owned by the trained and licensed teachers or staff employed by the School, shall be exempt from distribution of property and shall remain the property of the individual teachers and staff. Such property includes, but is not limited to, albums, personal mementos, and other materials or apparatuses which have been personally financed by teachers or staff. Such property does not include lesson plans and related materials developed and produced by School employees to implement the School's academic plan and curriculum; the School will ensure that its employment agreement with its employees document that such property is School property.