The bill later passed 32-2, with only two Democratic legislators - David Blount and Hob Bryan, both White - voting against it. It now heads to the Mississippi state House for approval.
Friday's unprecedented walkout followed a two-hour debate in which Democratic lawmakers asked whether or not Critical Race Theory (CRT), which centers on the idea that racism is systemic in the nation’s institutions and that they function to maintain the dominance of white people in society, is actually taught in Mississippi schools.
WATCH: JOHN LEGEND CALLS TRUMP A RACIST
"Have you identified one teacher, one school district where this is happening?" questioned Senate Minority Leader Derrick Simmons, a Democrat.
Republican Senator Michael McLendon conceded on the Senate floor that he had not heard of any schools teaching students that they were inferior or superior based on their race. Still, he asserted that an overwhelming number of his constituents had raised concerns about the curriculum being taught across the country based on what they heard "on the national news."
RUSSIAN COURT DENIES EVAN GERSHOVICH'S APPEAL, WHAT'S NEXT FOR THE WSJ REPORTER?
The bill's passage makes Mississippi the latest state to take a legislative stance on Critical Race Theory - although the controversial teaching is not mentioned by name or defined within the document. According to Newsweek, Arkansas, Idaho, Iowa, Florida, New Hampshire, Oklahoma, and Tennessee have already banned the academic theory.
WATCH FETTERMAN REACTING TO PROTESTS WAVES
"I had so many constituents in my district that were concerned over the teachings that they have heard from around the country, they wanted to make sure that this was not a problem with Mississippi, so that's why this bill was brought forward," McLendon replied when asked why he introduced the bill.
HRMMM...RUSSIAN PRIEST THAT LEAD NAVALNY'S MEMORIAL SERVICE SUDDENLY 'DISMISSED' BY MOSCOW CHURCH
"So it's a problem across the country; is it a problem in Mississippi?" Simmons demanded.
SQUATTERS BEWARE AS GEORGIA GOVERNOR SIGNS TOUGH NEW LAW
"Well, we try to make laws for the future as well as today," McLendon said in response.
Simmons requested a roll call, which saw all 14 Black lawmakers walk out of the chamber before a vote was held.
Republicans have a supermajority on the legislative body and do not require even a single Democratic vote in order to pass legislation. Senators David Blount and Hob Bryan, who are both White, were the only two legislators to vote against the bill.