President Donald Trump's administration on Wednesday revoked landmark guidance to public schools letting transgender students use the bathrooms of their choice, reversing a signature initiative of former Democratic President Barack Obama.

Reversing the Obama guidelines stands to inflame passions in the latest conflict in America between believers in traditional values and social progressives, and is likely to prompt more of the street protests that followed Trump's Nov. 8 election.

12 PHOTOS Protests for and against gender-neutral bathrooms See Gallery Protests for and against gender-neutral bathrooms A sign protesting a recent North Carolina law restricting transgender bathroom access is seen in the bathroom stalls at the 21C Museum Hotel in Durham, North Carolina May 3, 2016. (REUTERS/Jonathan Drake) A man holds up a sign supporting North Carolina's anti-transgender bathroom law following Republican presidential nominee Donald Trump' campaign rally in Charlotte, North Carolina, U.S., August 18, 2016. (REUTERS/Carlo Allegri) Opponents of North Carolina's HB2 law limiting bathroom access for transgender people protest in the gallery above the state's House of Representatives chamber as the legislature considers repealing the controversial law in Raleigh, North Carolina, U.S. on December 21, 2016. (REUTERS/Jonathan Drake) Civil rights leader Reverend William Barber, president of the NAACP in North Carolina, speaks to the media inside the state's Legislative Building as lawmakers gather to consider repealing the controversial HB2 law limiting bathroom access for transgender people in Raleigh, North Carolina, U.S. on December 21, 2016. (REUTERS/Jonathan Drake) A gender-neutral bathroom is seen at the University of California, Irvine in Irvine, California September 30, 2014. The University of California will designate gender-neutral restrooms at its 10 campuses to accommodate transgender students, in a move that may be the first of its kind for a system of colleges in the United States. (REUTERS/Lucy Nicholson) Transgender people and their supporters have been fighting for repeal of House Bill 2, a North Carolina law that requires people in government buildings to use the bathroom of the gender on their birth certificate. (John D. Simmons/Charlotte Observer/TNS via Getty Images) Protestors gather across the street from the North Carolina state legislative building as they voice their concerns over House Bill 2, in Raleigh, N.C., Monday, May 16, 2016. House Bill 2, also known as the Bathroom Bill, which requires transgender people to use the public restroom matching the sex on their birth certificate, has received the attention of national media and the White House. (Photo By Al Drago/CQ Roll Call) Protestors gather across the street from the North Carolina state legislative building as they voice their concerns over House Bill 2, in Raleigh, N.C., Monday, May 16, 2016. House Bill 2, also known as the Bathroom Bill, which requires transgender people to use the public restroom matching the sex on their birth certificate, has received the attention of national media and the White House. (Photo By Al Drago/CQ Roll Call) Supporter of HB2 Lee Churchill from Raleigh, N.C. holds a sign stating her position outside the North Carolina House and Senate chambers gallery on Wednesday, Dec. 21, 2016 as the North Carolina General Assembly convenes for a special session at the Legislative Building in Raleigh, N.C. (Chris Seward/Raleigh News & Observer/TNS via Getty Images) Transgender activists and supporters protest potential changes by the Trump administration in federal guidelines issued to public schools in defense of transgender student rights, near the White House in Washington, U.S. February 22, 2017. (REUTERS/Jonathan Ernst) Transgender activists and supporters protest potential changes by the Trump administration in federal guidelines issued to public schools in defense of transgender student rights, near the White House in Washington, U.S. February 22, 2017. (REUTERS/Jonathan Ernst) Transgender activists and supporters protest potential changes by the Trump administration in federal guidelines issued to public schools in defense of transgender student rights, near the White House in Washington, U.S. February 22, 2017. (REUTERS/Jonathan Ernst) Up Next See Gallery Discover More Like This HIDE CAPTION SHOW CAPTION of SEE ALL BACK TO SLIDE

Obama had instructed public schools last May to let transgender students use the bathrooms matching their chosen gender identity, threatening to withhold funding for schools that did not comply. Transgender people hailed the step as victory for their civil rights.

Trump, a Republican who took office last month, rescinded those guidelines, even though they had been put on hold by a federal judge, arguing that states and public schools should have the authority to make their own decisions without federal interference.

The Justice and Education departments will continue to study the legal issues involved, according to the new, superseding guidance that will be sent to public schools.

About 200 people gathered in front of the White House to protest against Trump's action, waving rainbow flags and chanting: "No hate, no fear, trans students are welcome here."

The rainbow flag is the symbol of lesbian, gay, bisexual and transgender, or LGBT, people.

"We all know that Donald Trump is a bully, but his attack on transgender children today is a new low," said Rachel Tiven, chief executive of Lambda Legal, which advocates for LGBT people.

Conservatives such as Texas Attorney General Ken Paxton, who spearheaded the lawsuit challenging the Obama guidance, hailed the Trump administration action.

"Our fight over the bathroom directive has always been about former President Obama's attempt to bypass Congress and rewrite the laws to fit his political agenda for radical social change," said Paxton, a Republican.

Transgender legal advocates have criticized the "states' rights" argument, saying federal law and civil rights are matters for the federal government to enforce, not the states.

White House spokesman Sean Spicer said the administration was pressed to act now because of the pending U.S. Supreme Court case, G.G. versus Gloucester County School Board.

That case pits a Virginia transgender boy, Gavin Grimm, against officials who want to deny him use of the boys' room at his high school.

Although the Justice Department is not a party in the case, it typically would want to make its views heard. The Trump administration action on Wednesday also withdrew an Education Department letter in support of Grimm's case.

"I've faced my share of adversaries in rural Virginia. I never imagined that my government would be one of them. We will not be beaten down by this administration," Grimm, 17, told the protest outside the White House.

COURTS MAY HAVE FINAL SAY

The federal law in question, known as Title IX, bans sex discrimination in education. But it remains unsettled whether Title IX protections extend to a person's gender identity.

Attorney General Jeff Sessions said in a statement that the Obama guidelines "did not contain sufficient legal analysis or explain how the interpretation was consistent with the language of Title IX."

New York Attorney General Eric Schneiderman vowed to ensure Title IX and his state's civil rights protections are enforced.

"President Trump's decision to rescind anti-discrimination protections for transgender students is yet another cruel move by an administration committed to divisive policies that roll back the clock on civil rights," he said in a statement.

The courts are likely to have the final say over whether Title IX covers transgender students. The Supreme Court could pass on that question in the Virginia case and allow lower courts to weigh in, or go ahead and decide what the law means.

Obama's Education Department issued the guidance in response to queries from school districts across the country about how to accommodate transgender students in gender-segregated bathrooms.

It also covered a host of other issues, such as the importance of addressing transgender students by their preferred names and pronouns and schools' responsibility to prevent harassment and bullying of transgender children.

Thirteen states led by Texas sued to stop the Obama guidelines, and a U.S. district judge in Texas temporarily halted their full implementation.

The White House previously boasted of Trump's support for LGBT rights, noting in a Jan. 31 statement that he was the first Republican presidential nominee to mention the community in his nomination acceptance speech.

"Revoking the guidance shows that the president's promise to protect LGBT rights was just empty rhetoric," James Esseks, director of the American Civil Liberties Union's LGBT project, said in a statement.

(Reporting and writing by Daniel Trotta in New York; Additional reporting by Lawrence Hurley, Jeff Mason, Julia Edwards Ainsley, Mana Rabiee and Emily Stephenson in Washington; Editing by Lisa Shumaker and Peter Cooney)

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