Teachers protested against proposed staffing cuts outside Lambeth's biggest education provider.
Members of trade unions Lambeth College UCU and Unison campaigned outside Lambeth College Clapham Centre in Clapham on April 19.
Susan McDowell, Lambeth College UCU branch secretary, said the demonstrations were against £3.5m cuts and proposed support and teaching staff job losses.
They also rallied against course closures, increased class sizes and increases to staff workloads, cuts to course hours, increases to course fees, and cuts to student support services.
A further lobbying session at the collge's governor's meeting was planned for Monday, April 26.
College bosses launched a 90-day consultation in February over plans to axe up to 130 teaching staff.
College vice principal Christine Griffiths said the college was trying to manage reductions so the effect on the number and type of courses could be minimised.
She said: "The college is extremely concerned these cuts will mean redundancies but that is the position in which we have been placed.”
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