1. given a higher grade or mark than deserved; assessed too favorably
Usage: commonly used in educational contexts

1. past tense and past participle of 'overgrade': to assign a higher grade or mark to (a student or work) than is warranted
Usage: transitive verb

Examples

• The teacher was accused of having overgraded the final exam.
• Students who were overgraded in middle school often struggle in high school.
• The professor overgraded several essays to boost class morale.
• That assignment was overgraded; the work didn't meet the stated rubric.
• Parents complained that their children had been overgraded and were unprepared for college.
• The overgraded report cards gave students a false sense of their academic performance.