Greeneville, Tennessee

Jason Horne

Assistant Director of Schools. Data scientist. Writing on AI, education data, and the tools I build to do the job. 68 posts and counting.

Writing

The Most Misleading Number in Education

“Proficient” on a state test is a college-ready bar, not a passing line. What the scariest headline of testing season actually counts.

Jun 28, 2026 · 4 min read Read →

TN Letter Grades (Machine Learning)

9-part series
Part 1

TN School Letter Grades Explained

Introduction Whenever you write something, you’re always supposed to have audience in mind. I do not have one in mind for this blog. It can be for educators or laypeople.…

Dec 21, 2023Read →
Part 2

A preliminary look at TN School Letter Grade Data

Summary I analyzed the statewide school letter grade data and found that poverty and race significantly impact the letter grades schools receive. The disregard for…

Jan 12, 2024Read →
Part 3

TN Letter Grades: A Machine Learning Approach

This blog continues the series on TN School Letter Grade data. You can find the first post here . The same dataset applies. Having looked at some of the preliminary…

Jan 16, 2024Read →
Part 4

TN Letter Grades: An Unsupervised Learning Clustering Approach

One of the more interesting ways to look at data is to use machine learning to sort your data into clusters. The particular tool I used for this is called K-Means…

Mar 17, 2024Read →
Part 5

Comparing 2022-2023 and 2023-2024 School Letter Grades in Tennessee

The impact of school letter grades on schools, school leaders, teachers, and students has largely unfolded as anticipated. It's not just a coincidence that letter grade…

Dec 27, 2024Read →
Part 6

2023-2024 TN Letter Grades: Standout Schools

In my previous blog, I provided a detailed breakdown of the TN Letter Grades. In this post, I want to shift focus and highlight the schools that stand out as outliers,…

Dec 29, 2024Read →
Part 7

Tennessee School Letter Grades: A Machine Learning Update

In early 2024, I published a blog post exploring how machine learning could predict Tennessee school letter grades based on demographic data. That analysis provided…

Feb 19, 2025Read →
Part 8

2024-25 TN School Letter Grades: Third Year Analysis

The Tennessee Department of Education released the 2024-25 school letter grades on December 18, 2024. This is the third year of letter grades under the revamped formula…

Dec 22, 2025Read →
Part 9

TN Letter Grades 2024-25: A Machine Learning Approach

Can student demographics alone predict a school's letter grade? Using machine learning algorithms like Gradient Boosting and K-means clustering, this analysis explores the…

Dec 26, 2025Read →

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Three Months of ChatGPT

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AI + Fantasy Sports

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