I am in favour of a staggered return, with all groups having at least some time in school before Easter.
The rationale for locking down was not to overwhelm the NHS. Numbers are dropping in hospitals, plus if you look at the data, a huge 40% of infections are happening IN hospitals, certainly in the first wave. There needs to be much more attention on vaccinating absolutely everyone within hospital settings quickly (I'd do two vaccines, Pfizer) and making hospitals safe- they are a lottery for anyone over 60 going in for even minor procedures.
Schools, there's a lot to learn from other countries, mask wearing, rotation (one half of the week off, one half in) and I don't mind if priority groups go back in for a week, followed by everyone at least some of the time.
My family who work in schools report a lot of children in anyway, so it's clear some children can be in school and the R rate come down, so I don't see the rationale for keeping everyone off. I don't know why people are talking about closed/opening schools, they are open, they are teaching pupils, my relative is in with 30 kids every day from 3 classes in primary!
Those that feel that is unsafe for their particular family can keep them off. I feel the danger to my teens is now quite acute, both have been offered anti-depressants and I don't feel like another 8 weeks of this stay at home life (especially if socializing is not relaxed) is feasible for them.
People are starting to break the rules anyway (I haven't), so it would be better for teh government to recognize that lockdown is straining and put in some sensible relaxation measures, by allowing outdoor socializing which is very low risk, and by allowing return to school for at least some age groups/all children for a week before Easter which is riskier but doable given we already have a lot of children in.
If you don't listen to what is happening, then people do secret stupid things, like socialize indoors, which is worse than allowing fairly low risk and/or socially high priority activities like returning to school. Also, if you don't allow some mixing prior to Easter, Easter will be one large rule-breaking holiday fest which is a worse outcome than a controlled and risk-relative path out of lockdown.