Reletter
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Data about Education in San Francisco

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Latest Issues

The Best High Schools in America?

US News and World Report recently released its annual rankings of the best high schools in the country. The high school rankings don’t have the same cachet as the college rankings because most kids just attend their assigned local high scho...

8 days ago
4

Spark SF’s Amira Report Does Not Match District Data

This is a brief follow-up from the last post, regarding the October 2025 article where officials from the San Francisco Unified School District and its non-profit affiliate (Spark SF Schools) credited the reading practice software Amira for...

a month ago
8
1

No, Amira’s AI Tutor Is Not Ready to Replace Humans

Since SFUSD adopted its ambitious goal to improve reading outcomes in elementary schools, high-dosage tutoring was identified as a key intervention for the students needing the most support to catch up. The SF Ed Fund, an independent non-pr...

a month ago
8
2

Celebrating Others' Work

I am a very bad correspondent. Over the last few months, several readers have shared with me some interesting analyses of their own and not received the timely response from me that their work deserved. I want to go some way towards remedyi...

3 months ago
7

Why is it so hard to count students?

I checked out the most recent SFUSD Board agenda because a missive from the San Francisco Parent Coalition led me to believe that the district might have something substantial to say about its plans for changing the school assignment system...

4 months ago
6
1

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Authors

The writers behind this newsletter.

  • Paul Gardiner

    San Francisco resident and now-former SFUSD parent. I don't attend BOE meetings. I've never been a teacher or served on a PTSA. I rarely volunteer. All I do is study publicly-available data about education in San Francisco and report what it says.

  • Philippe Marchand

    Applied statistician / data scientist

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