It appears like a tale of two school systems. Washington, D.C., has emerged as the fastest-improving school system in the country, according to a major brand-new analysis of trainee test ratings launched recently by scientists at Stanford, Harvard and Dartmouth.
The Education Scorecard analysis, which compares more than 5,000 school districts across 38 states, finds that the majority of the nation has actually been stuck in a reading recession– a decade-long slide in accomplishment that precedes the pandemic. Between 2022 and 2025, only five states and the District of Columbia showed significant gains in reading. The country’s capital published the strongest growth of all and likewise led in math enhancement.
Related: Kids are in a ‘reading recession,’ as test ratings continue to decrease
Washington trainees in both public and charter schools acquired roughly two-thirds of a grade level in math and about a third of a grade level in reading over that duration, according to the analysis. A grade level represents approximately a year’s worth of learning, which indicates that 8th graders in 2025 had to do with 6 months ahead in mathematics compared to eighth graders in 2022.
But the gains ought to not obscure a grimmer truth.
In 2025, only 26 percent of Washington students met grade-level standards in mathematics and just 38 percent excelled in reading, according to a different report from the D.C. Policy Center, an independent regional think tank. Simply 16 percent of high school juniors and senior citizens were thought about to be college or career ready.
A school system can improve quickly and still leave most kids behind. The contradiction is fueling a crucial politically and mentally charged debate in education: Should schools be judged by how many trainees excel, or by just how much trainees enhance each year?
Critics of public schools are seizing upon the low efficiency rates.
“Gains of any magnitude are an advantage, but when most trainees– roughly two-thirds to three-quarters when it comes to D.C.– are not working at grade level, this is nothing to applaud,” stated Steven Wilson, a former education policymaker in Massachusetts and charter school leader. “A lot of trainees are still being failed by the system.” (Wilson’s 2025 book, “The Lost Years,” slams current school reform efforts.)
Even before last week’s national data release, Washington school leaders were commemorating the gains. Paul Kihn, deputy mayor for education, trumpeted the strength of the schools after 2025 annual tests exposed a tremendous 3.6 percent improvement in reading and math, similar to the grade-level increases that the Education Scorecard group determined. “Our scholastic achievement is unsurpassed in the country in regards to growth,” Kihn stated in a March 2026 article.
Tom Kane, a Harvard economist and one of the authors of the new Education Scorecard report, explained that there is a long-running debate in the field of education about whether to concentrate on proficiency or development. In this report, he stated, the research team selected development in order to “combat” what they see as an excessively downhearted story about public education.
“We’re trying to highlight that something good is occurring in a few of these locations,” Kane said. “And hopefully, if we can, rebuild the general public sense of company with regard to public education.”
In addition to highlighting Washington’s growth, the research team likewise launched a list of 108 “districts on the rise”: school districts where mathematics and reading gains exceeded those of comparable districts in their state. Washington was not included because there are no equivalent districts within the city. However its gains are comparable to numerous districts on the list. And, like Washington, most of those districts still have large shares of students listed below grade level.
In theory, if a district’s scores keep growing by outsized amounts each year, trainees should catch up and eventually reach grade level. But public school critics like Wilson mention that even if a school system enhances by a couple of portion points a year, it might take decades for most of trainees to get a good education. In the meantime, the students who are presently in the system lose out. They can’t wait on that development. Wilson stresses that shining a light on a school system where most kids are far behind grade level can misguide the public and potentially trigger school leaders to embrace the wrong policies.
“Let’s take the klieg light and move it to the school systems that are informing nearly all of their students, instead of a third of their trainees,” stated Wilson.
Wilson indicates private schools or charter school networks, where really high percentages of low-income trainees are at or surpassing grade level. It’s much harder to reproduce that success with low-income trainees throughout an entire large school district.
Earnings is a big consider this debate. If the general public and policymakers focus just on efficiency, wealthy suburban areas tend to dominate the outcomes. High-income districts frequently appear to be the most successful, not necessarily due to the fact that their schools are more efficient, but because trainees from wealthier households start far ahead.
That concern has triggered scientists to focus on growth-based steps of school efficiency over the past couple years. A commonly cited example came from research by Sean Reardon, a Stanford sociologist and co-author of the existing report, who a decade earlier discovered that Chicago was running the most efficient schools in the country based upon trainee growth, even though many trainees were behind grade level. (Illinois was not amongst the 38 states in the current analysis due to the fact that of modifications to its state evaluation, so it’s uncertain exactly where Chicago stands right now.)
Still, numerous parents would most likely rather enlist their kids in a school system where the majority of the students are on grade level, even if annual enhancements are little or nonexistent, than a school where only a small share of trainees are on grade level but the school is turning around and improving.
Harvard’s Kane agreed that getting more trainees over the efficiency line is essential too. For the group’s next Education Scorecard report, scientists are planning to add a new information point showing the share of kids who are proficient compared to other districts with comparable demographics.
The disagreement persists due to the fact that the two steps respond to different concerns. Growth captures whether trainees are finding out more than they utilized to. Proficiency records whether they have discovered enough.
That is what makes Washington such a revealing case. It shows how a school system can post a few of the strongest gains in the nation and still fall short by the most fundamental measure of success: whether students can check out and do mathematics at grade level.
Contact personnelwriter Jill Barshay at 212-678-3595, jillbarshay.35 on Signal, or [email protected].
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