Technical brief
Technical Appendix: Unequal Access to 8th-Grade Algebra: How School Offerings and Placement Practices Limit Opportunity
November 2025
Description
This is the technical appendix to the āUnequal Access to 8th-Grade Algebra: How School Offerings and Placement Practices Limit Opportunityā research brief, which examines how access to early Algebra remains highly inequitable across the United States.
Read the briefTopics: College & career readiness, Equity, Math & STEM
Related Topics
Progress monitoring measures in mathematics: a review of the literature.
Topics: Measurement & scaling, Math & STEM
Do high flyers maintain their altitude?
In the visualizations in this exhibit, you can compare the performance and growth of various groups of high achievers to that of their peers over multiple years.
By: Yun Xiang, Michael Dahlin, John Cronin, Robert Theaker, Sarah Durant
Topics: Equity, High-growth schools & practices
A level playing field: College readiness standards
Some of our assumptions about the growth and performance of students from high-poverty schools relative to their peers from wealthier schools may be challenged in this data gallery, where you can explore how school poverty level interacts with student growth, college readiness, and college access.
By: Michael Dahlin, Beth Tarasawa
Topics: Equity, College & career readiness
A level playing field: College readiness standards
This study examines the academic growth of 35,000 elementary and middle school students in 31 statesāall of them high achievers within their own schoolsāover a three-year period.
By: Michael Dahlin, Beth Tarasawa
Topics: Equity, College & career readiness
Developing more meaningful definitions of college readiness
Complementing traditional quantitative measures with more qualitative tools can help determine college and career readiness.
By: John Cronin, Michael Dahlin
Do high flyers maintain their altitude? Performance trends of top students
In this study from the Thomas B. Fordham Institute, achievement trends from NWEAās longitudinal growth database were used to track students who scored at or above the 90th percentile on this assessment in order to see if they maintained their high achievement.
By: Yun Xiang, Michael Dahlin, John Cronin, Robert Theaker, Sarah Durant
Topics: Equity, High-growth schools & practices
Using a nationally representative dataset with thousands of measures, I employ data reduction techniques to identify a handful of variables that are the strongest predictors of college readiness and understand what they measure.
By: James Soland