Gunny- the majority of the teaching profession are women of child-bearing age. Do you know why? Come on, try and guess. With all your years of experience in the elite strata of your sector, you must have an idea. Why? Can you think of any possible reason why that could be? Why are the majority of teachers of women of child-bearing age?
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So you are effectively, in your own words, holding a biological feature against the broadest section of potential candidates. That is not just prejudiced, bad business sense, and illegal, but also plainly ridiculous.
I have also had a small role to play in education (not as a teacher, and not in the elite circles you clearly knock around in, where people are happy to, and indeed proud of bragging about how non-politically correct they are, and how much they don't care about diversity,and how cool they are, and how they just give jobs to the best candidate, who, oops, just happens to be a white man, funny that!- I know the sort very well though).
What I have witnessed after some fifteeen years in the sector as most disruptive to education and the classroom is not the succession of teachers going on parental leave (which happens almost in every year in all schools). What is disruptive are cuts to funding, lack of supplies, lack of classroom supports, increased bureaucracy and paperwork, strikes, (though I bet in your school teachers aren't allowed to strike)- all those lovely lovely things which you probably take for granted in your school, and so fail to appreciate, and so you can afford to witter on about teachers falling pregnant harming education.
If classrooms and teachers have proper resources and supports, then a teacher going on mat leave in a year (and realistically, how many times is she going to go on leave) will not dent the consistency of education.
Cut back resources, watch children and teachers struggle in poorly -funded schools, and then yeah, blame female teachers for taking parental leave. Very smart. Very ethical. Very edgy. Good job. So cool, you must be.