The phrase "massive protests" refers to a large-scale gathering of people who come together to express their strong disagreement or dissatisfaction with a particular issue, often in a public setting. Full definition
At the same time, constituents and teachers unions were increasingly frustrated with the state of federal education policy, as evidenced by massive protests against testing and the Common Core across the country. (politico.com)
The year is ending with the district projecting a $ 1 billion deficit and massive protests over plans for 54 school closures. (hechingerreport.org)
They have to worry about the votes and they know they may face massive protests. (politics.co.uk)