That's the other half of the equation: the government is not actually doing what is required to replace the teachers, which would be to raise the wages. So you

That's the other half of the equation: the government is not actually doing what is required to replace the teachers, which would be to raise the wages. So you get paid the minimum required to replace you OR the maximum the employer is willing to pay before saying "we'll just go without this role being filled", whichever is lower.