API Reference

The collegeplan package is organized into the following modules:

Module	Description
models	Domain dataclasses: Child, Assumptions, CostProfile, results
engine	Year-by-year projection functions
solver	Bisection solver for required savings
sensitivity	Grid sweep across assumption parameters
reporting	Dict and JSON serialization
cost_profiles	Built-in cost profile factories
glide_path	Age-based equity allocation and presets
allocation	Shared fund allocation policies
assumptions	Fisher equation and return normalization
validators	Input validation
exceptions	Custom exception hierarchy