As we seem to be drawing conclusions from fifty years ago, my second of three secondary level schools was a bilateral school - an early experiment in what became comprehensive education. As pupils came and went in different years, and constantly, everyone was put in middle sets when they arrived. Within the year they were moved into appropriate sets and that certainly didn't look like streaming and worked very successfully. But ... it was a school of 300 pupils with classes of about 20 on a good day. One of are biggest issues is class sizes.
Our Welfare State. Is it broken?
NHS U turn on trans terminology
Forgetting where you left your keys does not mean you are “losing it”