Is this written politically correct and polite: I understand that I have been assigned a teaching role in the classroom, but the administration insists on referring to me as a substitute, regardless of the responsibilities I undertake at the school. Therefore, I must respectfully decline the evaluation request, as it exceeds my designated duties and is not a requirement for the position I was hired for and agreed upon. Additionally, it would be inappropriate to evaluate the student in question due to her frequent absences. Providing an inaccurate assessment would be unethical