Caltrain riders flooded a Peninsula Corridor Joint Powers Board meeting in San Carlos on Thursday morning to plead against station closures in their cities as the agency grapples with a $30 million budget deficit.

The board is considering terminating service at up to seven Caltrain stations including South San Francisco, Belmont, San Bruno and the College Park station in San Jose.

“South San Francisco is one of the select cities along the Peninsula Caltrain corridor where jobs are being created,” South San Francisco Mayor Kevin Mullin said at the meeting.

Several students from Bellarmine College Preparatory in San Jose said they depend on service at the College Park station.

“This is not simply a matter of convenience for the Bellarmine community,” said Brian Adams, vice president for advancement at Bellarmine.

He said about 45 percent of the school’s 200 Caltrain riders use services that are on the chopping block.