RELATED: Mill Valley students hold vigil for Florida school shooting victims
Those in attendance held candles and signs.
Two students from Dougherty Valley High School addressed the crowd. Both used to live in Broward County, Florida.
One knew shooting victim, Nicholas Dworet, from her elementary school swim team. She was in 3rd grade, he was in 5th grade. She said he had a reputation for cheering on and helping the younger swimmers.
Vigil organizer and parent, Sabina Zafar, said school shootings can happen anywhere. She's asking residents of San Ramon to contact law makers and demand "common sense gun control."
Click here for full coverage on the tragedy at Marjory Stoneman Douglas High School in Parkland and click here for a look at comprehensive coverage on school shootings here in the Bay Area and across the country.