Black students at Boston Latin School have started a campaign against the racism they say persists at the nation's oldest public school.

In a YouTube video, organizers Kylie Webster Cazeau and Meggie Noel pointed to examples that range from the annoying to the infuriating - and urge other students to post examples under the hashtag #blackatbls:

"When you're the only black student in your AP US history course and when slavery comes up, they all turn to you," Cazeau says. She continues that when she collected "racial slurs and negative things about students of color" tweeted by white BLS students and printed them out and gave that to BLS Headmaster Lynne Mooney Teta, she did "nothing about it."

Responding - on Twitter - to the campaign, Mooney Teta writes:

Thank you #BLACKatBLS for bringing your concerns forward. Eager to work together to create a better BLS climate for all.

Some other examples cited by students on Twitter: