毕业成绩优秀用英语可以说是 "excellent academic record" 或 "outstanding academic performance"。
"Academic record" 指的是一个人在学校的学习记录，包括成绩和学历。"Performance" 指的是表现，在这种情况下指的是学业表现。"Excellent" 和 "outstanding" 都是形容词，表示非常好。
例句：
"She graduated with an excellent academic record from her university." (她从大学毕业时有着优秀的成绩。)
"He has an outstanding academic performance throughout his school years." (他在学校里表现出色。)