Zip-Code Destiny: How Postal Codes Decide High School Graduation.
In Canton Zurich, the share of 19-year-olds earning a Gymnasium Matura ranges from 3.0% in Feuerthalen to 51.8% in Erlenbach. That is a 17-fold divide in direct university access — often between towns just minutes apart.
Erlenbach (51.8%) vs. Feuerthalen (3.0%)
R² = 72% of the variance explained by municipal mean income
Uitikon (48.4%) vs. Schlieren (6.8%) in Dietikon District
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Head-to-Head Compare
Compare any two Zurich municipalities to see the exact ratio between them:
All 12 Zurich Districts Compared
On the Gold Coast (Meilen District), 1 in 2.5 teenagers earns a Matura — in Dielsdorf and Andelfingen, only 1 in 9.
Three Key Takeaways
What the data reveals about educational inequality in Zurich:
The 4-Kilometer Cliff
Uitikon (48.4%) and Schlieren (6.8%) belong to the same district, separated only by a wooded hill. Over the last decade, their divide widened from 4.4× to 7.1×.
72% Income Determinism
In the 10 highest-income towns, 43.3% of teenagers graduate from Gymnasium. In the 10 lowest-income towns, only 9.7% do — a 4.5× class divide.
Zürichberg vs. Schwamendingen
Already at age 12, Zürichberg sends 49.2% of pupils to Gymnasium and only 7% to Sek B/C. Schwamendingen sends just 13.6% to Gymnasium and 37.1% to Sek B/C.
Age-12 Tracking in City of Zurich School Districts
Municipal Ranking
The highest and lowest Gymnasium graduation rates in Canton Zurich:
Bildungsstatistik Kanton Zürich (bista.zh.ch) · Statistisches Amt Kanton Zürich · ckan.opendata.swiss. For information and exploration only — not professional advice. Built from official open data that may be incomplete or out of date. Terms & disclaimer.