Mt Diablo Unified Grading Policy

Mt Diablo Unified Grade Scale

Mt Diablo Unified School District employs a standard grading scale to assess student performance. The grading scale is as follows:

GradePercentage RangeGPA Equivalent


To understand how final grades are calculated in Mt Diablo Unified, consider the following example.

A student has the following grades:

  • Homework: 85%
  • Midterm Exam: 78%
  • Final Exam: 92%

Assuming the weights are:

  • Homework: 30%
  • Midterm Exam: 30%
  • Final Exam: 40%

The final grade calculation is as follows:

  1. Multiply the homework grade by its weight: 85×0.30=25.585×0.30=25.5
  2. Multiply the midterm exam grade by its weight: 78×0.30=23.478×0.30=23.4
  3. Multiply the final exam grade by its weight: 92×0.40=36.892×0.40=36.8
  4. Add these results together to get the final grade: 25.5+23.4+36.8=85.725.5+23.4+36.8=85.7

Final Grade: 85.7% (B)

Grading Policy

Mt Diablo Unified School District has specific policies to ensure fair and consistent grading:

  • Middle School: Standards-based grading is employed to measure student proficiency in various subjects.
  • High School: Letter grades are assigned based on the percentage range achieved by the student.
  • Late Work: There are specific guidelines for accepting late work, often with a penalty.
  • Reassessments: Students may have opportunities for reassessment to improve their grades under certain conditions.
  • Extra Credit: Limited extra credit opportunities are available to help boost grades.


1. What grading scale does Mt Diablo Unified use?
Mt Diablo Unified uses a standard A-F grading scale, where A is 90-100%, B is 80-89%, C is 70-79%, D is 60-69%, and F is below 60%.

2. How are final grades calculated in Mt Diablo Unified?
Final grades are calculated based on the weighted average of various assessments. For example, homework, midterms, and final exams are weighted differently to compute the final grade.

3. Can students submit late work in Mt Diablo Unified?
Yes, students can submit late work, but it may be subject to penalties as outlined in the district’s grading policy.

4. Are reassessments allowed in Mt Diablo Unified?
Reassessments are permitted under specific conditions to allow students to improve their grades.

5. Is extra credit available in Mt Diablo Unified?
Limited extra credit opportunities are available and vary by course and teacher discretion.

For more information, visit the Mt Diablo Unified website.

Now that you understand the Mt Diablo Unified’s grading policy, calculate your final grade with our easy-to-use grade calculator or final grade calculator!