The phrase "an alumni base" is correct and can be used in written English.
You can use this phrase to refer to a group of former students or graduates from a particular school, college, or university. It emphasizes the connection and shared experiences of the group. Example: The university prides itself on its strong alumni base, with successful graduates spread across the country and around the world.
"We don't have an alumni base".
Now he is the president charged with navigating Penn State through a crisis, which includes trying to mend relationships with an alumni base upset over Paterno's firing and the university's slow response to the allegations against Sandusky.
Now he is the president charged with navigating the university out of a crisis, which includes trying to mend relationships with an alumni base at unease and also placing into context a football program that might have grown too mighty.
Those included organizing a marching band, getting the football team to offer the maximum amount of scholarships and spearheading a fund-raising effort that aggressively tapped into an alumni base of approximately 150,000, many of whom live on Long Island.
Among the prerequisites was the ability to relate to graduates, many of whom were old enough to be Gaudin's father, and to understand the mind-set of an alumni base that took its football seriously but not with life-or-death gravity.
The Cambridge, Mass., school tops our first-ever billionaire college study with an alumni base that features 54 10-figure titans, more than 5% of the world's billionaires.
One of the most successful and fruitful engagements has been with an alumnus based at Vanderbilt University School of Medicine.
The school also boasts an impressive alumni base that includes 38 Rhodes Scholars and 39 astronauts.
The Big Ten is a Midwest league, but it has long been a national brand with a substantial alumni base in and around New York.
In this they are helped to some extent by having graduated more mbas each year for a longer time, meaning they have a bigger alumni base.
Every university in America — from Maine to Hawaii — has a proud alumni base.
