Write the date at the top left margin of the page. Add the superintendent's name and the school's address below it. Start the letter with "Dear" and then the superintendent's name.
Begin the body of the letter by including the student's name and the specific test for which the variance is being requested. If appropriate, state how many times the student has unsuccessfully taken the test.
State your reasons for requesting the variance. Be as specific as possible. This should be the main part of the letter, and may take two to three paragraphs. Be brief, but thorough.
Suggest alternatives to the test or specific aspect of the test being questioned, if appropriate. In some cases, the chances for a variance request to be approved can be increased if the student can demonstrate equivalent knowledge in another way.
Attach any evidence that supports the reasons for the request. Keep the evidence factual.
Close the letter with a standard ending, such as "Sincerely." Sign the letter and include your contact details.