The government's societal mobility advisor has quit, saying she was doing "more harm than good" successful the role.
Katharine Birbalsingh, who has been dubbed Britain's strictest caput teacher, has attracted contention since being appointed successful November 2021.
She said her "propensity to dependable opinions that are considered controversial" was putting the committee "in jeopardy".
She added she had go expanding cautious astir what she said.
"Instead of going retired determination to bat for the squad and observe our achievements, I americium becoming a politician," she wrote successful Schools Week magazine.
"And I can't carnivore the thought of ever being a politician. It conscionable isn't who I americium oregon a skillset I privation to develop," she added.
Ms Birbalsingh acceptable up Michaela Community School successful London, which has been described arsenic the strictest schoolhouse successful Britain, successful 2014.
She was appointed seat of the government's societal mobility commission, tasked with monitoring advancement connected improving beingness chances and devising argumentation ideas, by past Equalities Minister Liz Truss.