Sandi Stanhope

Sandi Stanhope

Posts by Sandi Stanhope

What Are the New Windowpanes?

Published: October 21, 2025

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2 min read
Oct 21, 2025
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Aug 29, 2025
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Mar 7, 2025
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Nov 22, 2024
5 min read
Sep 6, 2024
3 min read
Apr 26, 2024

The Background on the Newly Revised HLC Progressions

All Learners Network (ALN) originally created the High Leverage Concepts (HLCs) Progressions as a resource for classroom teachers, math interventionists, and special educators who create learning opportunities for their students daily. We wanted to build grade level progressions directly connected to the concepts highlighted in our High Leverage Concepts (HLCs) that would provide “road maps” for instructional decisions based on student evidence.

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2 min read
Sep 1, 2023