Emem Udaw, now 50, abused his five victims in their early teens at Holland Park Secondary School between 2001 and 2004.
While working as a children’s mentor, Udaw would take girls into empty classrooms during school hours, sometimes locking the door.
He would force them to sit on his lap as he made sexual comments and touched them intimately – under the guise of providing emotional support.
Udaw, of Knollmead in Tolworth, was found guilty today (December 15) of 14 counts of indecent assault on a girl under 16 against five victims.
Detective Constable Sandy Whysall, who led the investigation, said: “Udaw is a predatory offender who abused his position of trust to target vulnerable young girls during school hours.
“His conviction today sends a clear message: no matter how much time has passed, we will relentlessly pursue those who commit sexual offences against children.
“The victims were always at the heart of this investigation and we commend their bravery for coming forward.
“Their courage not only secured justice but will help protect others and has ensured that a dangerous individual is held accountable.”
The case first came to light in 2019, when a victim posted in a closed social media group about inappropriate behaviour by a former school employee.
Several women recognised the description and privately shared similar experiences, which ultimately led to three victims reporting the abuse to the police in January 2020.
Two further victims came forward in August and November 2020, prompting additional interviews with Udaw.
He denied all allegations and claimed he acted as a role model, but was charged with 21 offences on July 1, 2024.
Udaw was found guilty by jury after a three-week trial at Isleworth Crown Court. He will be sentenced at the court on January 29, 2026.
Anyone with information or wishing to report offences relating to Udaw can call 101 quoting Op RoseQuartz, or contact Crimestoppers anonymously on 0800 555 111.
For confidential help, the 24/7 Rape & Sexual Abuse Support Line offers free phone and online chat for anyone aged 16+ in England and Wales: 0808 500 2222.
