Evidence-Based Co-Parenting Guidance for Every Family

Welcome to The Polaris Parenting Project. This site was founded to provide clear, research-backed co-parenting and custody guidance grounded in lived experience. Rather than piecing together varied sources, you'll find clear state-by-state custody guidance, parenting plan tools, and research-backed resources for separated and co-parenting families in the US.

Resources Available

Classic Title

State-By-State Law

Understand your state's approaches to custody, timesharing, parenting plans.

Explore Laws

Guidance & Essentials

Key concepts and practical guidance to help you navigate custody.

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Parenting Toolkit

Templates, communication guides, and tools to build a stable parenting plan.

Open Toolkit

Research Library

Summaries of child psychology studies relevant to co-parenting.

View Research