Pupils' mathematical performance drops in direct correlation with the increase in noise closer the airport, according to Ruth Cadbury .
Speaking in a parliamentary debate about aircraft noise on Wednesday (April 20), Ms Cadbury said: "Over 90% of children educated in Hounslow borough's schools, nurseries and colleges are directly affected by aircraft noise, and 90% of Hounslow teachers believe that aircraft noise affects children's ability to concentrate and learn...
"Noise level is significantly related to mathematical performance. As noise increases by contour band, performance drops by 0.73 of a mark."
She also quoted constituents who complained about night flights ruining their sleep patterns and making it "impossible to live or work effectively when sleep deprived".
Heathrow branded a 'very poor neighbour'
She recognised Heathrow's work to provide noise insulation and ventilation for schools under the flight path, including a new £36m commitment announced the previous day .
But she pointed out the airport was only funding insulation at the worst-affected schools and was not contributing to the cost of protecting new schools from aircraft noise.
Speaking after the debate, she said: "Heathrow is already branded by one of my constituents as a 'very poor neighbour'. With a third runway being proposed, I don't see how this situation will improve.
"The third runway would bring a 46% increase in flights, which will result in more residents suffering from lack of sleep and more children who have their learning experience compromised by noisy flights over their classrooms.
"Heathrow should listen to residents' complaints and become a better neighbour, not a bigger one."
'Expansion will deliver more opportunities for students'
A Heathrow spokeswoman said: "Many of the students living around Heathrow are also the children of people working at the airport, and some will also be part of our team in the future. It is absolutely in our interest to make sure they have a good education.
"Heathrow is protecting students from noise through multi-million investments in insulation but we are also delivering career opportunities in our region and addressing skill gaps in science, technology and maths through our school education programmes.
"Our local schools are already showing brilliant results: the latest results show they exceeded the national average in attainment in Maths and English, and in one local school alone 56 pupils were invited to join Mensa, an organisation for those with an IQ in the top 2% of the population.
"Through expansion we can deliver more opportunities for students once they graduate including 41000 more local jobs, and 10000 apprenticeships."