N/D: "No data available" is used to indicate that there were no students in the grade, subject or course for the group or year specified.
The minimum number of participating students for publication of achievement results is 10. The minimum number of respondents for the release of questionnaire results is six. The EQAO term for the application of these rules is "suppression."
N/R: "Not reported" indicates that the number of students participating in the assessment or responding to the Student Questionnaire is so small that the identification of individual student results might be possible; therefore, results are not reported.