RICHMOND — An influential youth justice organization on Friday called on Richmond’s police chief to remove two officers from school campuses, amid allegations the pair and three other officers had sex with an 18-year-old woman who used to attend a city high school and is at the center of a widening police sex scandal.

The RYSE Youth Center demanded that police Chief Allwyn Brown reassign the two officers who work on school campuses, if not place them and the other officers on leave while authorities investigate the claims.

“The fact that they work with cadets and on school campuses makes it particularly egregious that there was no statement that they would be removed from working with young people immediately,” said Kimberly Aceves, executive director at RYSE. “It’s important that as these investigations are happening, they are put on leave. It would be the expectation of any other organization.”

RYSE’s strongly worded statement came a day after a woman who uses the alias Celeste Guap named five Richmond officers, some high-ranking employees, whom she had sex with after turning 18.

Guap, a sexually exploited teen who briefly attended De Anza High School, has claimed to have had sex with about 30 police officers from multiple departments, including four when she was underage. She said she was paid to have sex with some of the officers.The scandal came to light in Oakland, when Officer Brendan O’Brien shot himself to death in September and left a suicide note after Guap said she threatened to expose their relationship to his bosses.

The fallout has led Oakland to cycle through three police chiefs in one week, and has since spread to include officers in Richmond, Livermore and sheriffs deputies in Contra Costa and Alameda counties, as well as at least one inspector with the Alameda County District Attorney’s Office. A few have resigned, and some others have been placed on leave.

Three of the Richmond officers named by Guap have assignments to work with youths. Lt. Andre Hill, a police spokesman, was the RYSE center’s contact at the department, Aceves said. “As of yesterday at 3 o’clock, that was my understanding,” she said.

Officer Jerred Tong works at Lovonya DeJean Middle School in addition to advising youths in the department’s police Explorers program, according to city records. And Officer Terrance Jackson has worked at De Anza High, even detaining Guap a few years ago for cutting class, Guap said.

In a text conversation with Tong on the morning of April 11, a Monday, the officer asks if he could stop to visit Guap on his way from downtown to “DA,” apparently referring to De Anza High School. The city’s website shows Tong worked morning weekday hours during the school year.

The fact that none of the Richmond officers have been placed on leave has troubled a school district resident and watchdog.

“(Jackson) was there when she was a student. It raises some questions in my mind,” said Ben Steinberg. “I’m concerned about the culture of the department. I don’t understand how something like this can happen. I want a police force that is concerned about justice and the law and not protecting each others’ backs.” Chief Brown did not return a call for comment Friday but has said no officers were placed on leave because there are “no allegations of criminal behavior.” None of the officers have returned calls and emails seeking comment.

Guap has also claimed to have had sex with Richmond sergeants Armando Moreno and Mike Rood. In 2012, the department investigated a tweet by Rood that said he would “go at (hackers) with both guns.” The tweet was posted in defense of Dana White, the president of the Ultimate Fighting Championship, who was in an online feud with hacker group Anonymous over White’s support of anti-piracy bills.

West Contra Costa district spokesman Marcus Walton said it is cooperating with the police department.

Mayor Tom Butt said he would defer comment until more is known.

“I think it’s inappropriate to rush to judgment on something like this,” he said Friday. “The investigation … needs to run its course. Once the facts are out and if people are unhappy with the result, I think that’s a legitimate thing to comment on, but to basically indict people based on allegations is not the way we do business in America.”

Contact David DeBolt at 510-208-6453. Follow him at Twitter.com/daviddebolt.