The post-pandemic classroom: what the data finally shows

The first full-cohort assessment of the post-pandemic school years was published this week, drawing on the testing programmes that the education ministries have run since the schools reopened, and the picture is more hopeful and more uneven than the early alarms suggested. The lost ground in reading has been mostly recovered; the lost ground in mathematics has not. The gap between the schools that could respond to the disruption and the schools that could not has widened from a temporary wound into a structural divide, and the divide, the report makes clear, is now the story that the recovery numbers are hiding.

The reading recovery is the genuinely good news, and it deserves its place in the coverage. The cohorts that were in primary school during the closures lost the equivalent of a third of a school year in reading by the measures that the tests use, and the recovery programmes that the richer districts ran, the summer schools, the smaller groups, the parent-facing reading apps, have brought the current cohorts back to the pre-pandemic trajectory. The reading data is the first full-cohort evidence that the learning loss was not permanent, that the children who were seven during the pandemic have caught up by the time they were nine, and that the interventions, the expensive ones, worked. The finding matters because it was never guaranteed.

The mathematics lag is the uncomfortable counterpart. The same cohorts that recovered in reading are still, by the assessment, about a fifth of a year behind in mathematics, and the lag is concentrated in the middle of the distribution rather than at its edges. The explanation the researchers offer is the one the teachers have been giving since the closures: mathematics builds on itself, and a year of disrupted instruction leaves gaps that the subsequent years keep tripping over, while reading, which is more forgiving of interruption, was rebuilt by the sheer volume of language the children were exposed to once the schools reopened. The maths lag is not a failure of effort; it is the structural consequence of the disruption, and it will take the cohorts several years to outgrow, if they outgrow it at all.

The divide between the school systems is the part of the report that the ministries will have the hardest time reading. The recovery was financed unevenly, the districts with the tax bases and the parent pressure ran the intensive programmes, and the districts without them ran the standard curriculum and hoped, and the assessment shows the hope diverging. The schools that could not run the summer programmes, that could not afford the smaller classes, that could not replace the teachers who left, have not recovered at the same rate, and the gap that the pandemic opened between the two systems has now become the ordinary shape of the school system’s inequality. The report’s authors are careful to say that the divide was there before the pandemic; the pandemic’s contribution was to widen it and to make it visible.

The assessment settles the argument about whether the pandemic’s educational damage was permanent, and the answer is both: the damage was reversible where the resources were applied, and permanent where they were not. The reading recovery proves the first proposition, the maths lag and the system divide prove the second, and the difference between the two is a policy choice that the coming budgets will make visible. The children of the pandemic years are now the children of the recovery years, and the recovery has been administered with the same unevenness that the pandemic itself had. The data is finally in, and the data says what the teachers have been saying all along: the system that could respond is recovering, and the system that could not is being measured as it falls further behind.