The college has been closed today in light of the news, with several students and staff taking the opportunity to grieve the loss.
Talking to ITV News Anglia, Khunakon Manmat said:
"I just heard this morning when I came to school and I was shocked.
"The first thing is she is very kind and she helped the students with anything if they had a problem.
"She's a nice lady and we're going to miss her now. I'm so sad."
More top news
Dry and fine across most parts, with some sunshine.
Tributes have been paid to a keen cyclist from Essex killed in a collision with a Mercedes at Canewdon.
Once any mist and low cloud has disappeared this morning, it will be a largely dry and bright day. Turning more unsettled by Monday.