1. Weighted Course Grade Formula
Weighted Grade (%)=
∑ (Assignment Grade × Assignment Weight)∑ Total Category Weights
2. Required Final Exam Score Formula
Needed Final Score=
Target Grade − [ Current Grade × (1 − Final Weight) ]Final Exam Weight
Step-by-Step Calculation Breakdown
Example 1: Weighted Term Grade (Homework 20% @ 95%, Midterm 30% @ 82%, Final 50% @ 88%)
Class Grade=
(95 × 20) + (82 × 30) + (88 × 50)20 + 30 + 50
=1,900 + 2,460 + 4,400100
=87.60% (B+)Example 2: Target Final Score (Current Grade 85%, Target Grade 90%, Final Exam Weight 30%)
Required Score=
90 − [ 85 × (1 − 0.30) ]0.30
=90 − 59.500.30
=101.67%Standard Collegiate & High School Grading Scale
| Letter Grade | Percentage Range | Standard 4.0 GPA | Academic Standing |
|---|---|---|---|
| A | 93% – 100% | 4.00 | Excellent Mastery |
| A- | 90% – 92% | 3.70 | Superior Achievement |
| B+ | 87% – 89% | 3.30 | Above Average |
| B | 83% – 86% | 3.00 | Proficient |
| C+ / C | 73% – 79% | 2.00 – 2.30 | Satisfactory Passing |
| D / F | < 70% | 0.00 – 1.00 | Remedial / Failing |