Academic Growth — All 169 Connecticut Towns

How far each town's resident students moved toward their yearly growth targets in reading and in math, grades 4–8 — the state measure less tied to family income than test scores are.

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Picking a town highlights it in every chart and table on this page, and the highlight follows you to the other ranking pages. Clear the box to remove it.

Read this before ranking towns: growth measures how much students gained in a year, not where they ended up, so it is less tied to family circumstances than test scores are — on this site’s model, demographics explain less of the variation in growth between districts but more of the variation in the achievement index. Less tied is not untied. The figures describe the students who live in each town, wherever they attend school, for one school year, and they move more from year to year than scores do: a small town's rank on this page can change a great deal on one cohort. Rank 1 is the lowest figure: a sort order, not a verdict. How growth is measured.
Lowest growth, reading
Statewide median, reading
Highest growth, reading

Reading growth: share of the yearly target reached — all towns

The state sets each student a one-year growth target on the Smarter Balanced English language arts test and reports the average percentage of that target achieved, grades 4–8. Each bar is that average for students who live in the town, . A figure of 100 would mean every student reached an ambitious target. Sorted lowest to highest; rank 1 is the lowest figure.

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Source: CSDE EdSight Resident Town Dashboard, “Growth – APTA ELA” (average percentage of target achieved), all students, by town of residence and school type, via the resident block of school_performance_page.json (cut from edsight/resident_town.json). A town's figure is the mean across its school types with a published value, weighted by resident enrollment in each; the table and tooltip name the school types behind every figure.

Lowest growth, math
Statewide median, math
Highest growth, math

Math growth: share of the yearly target reached — all towns

The same measure for mathematics, grades 4–8, .

first quarter of the ranking second quarter third quarter fourth quarter your picked town
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Source: as above, “Growth – APTA Math”.

The full table

Every town with a published figure, ranked on reading growth, with math growth and its rank beside it and the school types each figure rests on.

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How this ranking is made

Growth is the state's Average Percentage of Target Achieved: each student in grades 4–8 who was tested in consecutive years gets a target for the year based on their previous score, and the figure is the average share of that target the town's resident students reached, capped per student at 100%. The state publishes it by town of residence and school type; this page takes the mean of the published school-type figures, weighted by each type's resident enrollment, and lists the types behind every figure.

  • A percentage of target, not a score. Two towns with very different proficiency rates can show the same growth; growth asks how far students moved, not where they started.
  • Matched students only. A student needs two consecutive years of tests to have a growth figure, so newly arrived students are not in it.
  • Year-to-year movement. Growth is noisier than proficiency. Every town's own School Results page uses a three-year mean by operating district for that reason; this page shows a single year because the resident-town figures are published one year at a time.
  • Suppression and residence work as on the test-score page: a school type with fewer than 20 matched resident students has no published figure and is left out, never counted as 0.
  • Year. The latest school year in which the state has published a figure for at least 100 towns; the year is printed on each chart.

More school results: test scores, grades 3–8 · SAT scores · attendance · results vs. demographics