I’m 1000% behind you in education needing more money, it’s the fairness of how that funding occurs that rankles me the most - tax should always be seen to be fair by those paying it else these people will be motivated to avoid it.
Education should not be subject to taxation in principle. We know we need more money, so let us just do it properly. It’s an investment that benefits us all, so let us all pay for it - unfortunately Labour are so welded to not raising income taxes over course of next parliament even where a solid case can be made.