DS isn't doing great in school- he is yr 2 january born and 7 and is probably in the bottom 20% of the class. I feel like I am failing him by not being around enough due to work and as a result he is too tired by 6 when I collect from childminder to want to do reading etc.
I spoke to some stay at home mums the other day whose kids are all doing well and I wonder if it is because they have so much more time.
I have 3 yr old DD too and there never seem to be enough hours in the day to focus on what is important. I work 3.5 days a week.
I read to DS every night and always have done but it feels like its not enough and he isnt keen at the end of the day to do more reading to me.
With sats looming, I am now really worried that he will get stuck in the bottom 20% of the class who another mum told me get written off.
I genuinely feel like its my fault for not doing enough with him and for letting him play with lego and chill when we get home. I feel really upset. 
Help. Is it too late?