You could also say cum summa laude, but that's not ever done.
你也可以说 cum summa laude，但从来没有这样做过。
2009 English Cafe
The highest degree you can receive from a university would be summa cum laude.
您可以从大学获得的最高学位是优异成绩。
Red White & Royal blue
Alex Claremont-Diaz graduates summa cum laude from Georgetown University with a bachelor's degree in Government, his Google alerts read when he checks them from the back seat of the limo, before he's even taken his cap and gown off.
Summa and its diminutive summula (plural summae and summulae, respectively) are mainly used, in English and other modern languages, for texts that 'sum up' knowledge in a field, such as the compendiums of theology, philosophy and canon law which were used both as textbooks in the schools and as books of reference during the Middle Ages.