One school has a directional average-net-price path over 2013–2023; the other sits in a measured range (or the two move opposite ways). Cost gaps on this board are moving targets.

• Aveda Arts & Sciences Institute Seattle: average net price rose +65.3% from $18,564 (2013) to $30,692 (2023), r² 0.50.
• Tennessee School of Beauty of Knoxville Inc: net price ranged $10,813–$12,841 across 11 years (2013–2023); endpoint change +6.3% is not a trend (r² 0.01).
• Tennessee School of Beauty of Knoxville Inc: enrollment grew +94.8% over 2013–2023; fitted +18 students/yr fitted, r² 0.85.
• Aveda Arts & Sciences Institute Seattle: enrollment shrank -45.3% over 2013–2023; fitted -25 students/yr fitted, r² 0.51.

College Scorecard institution series; dollars are nominal. Direction claims require r² ≥ 0.40 on the fitted annual slope, otherwise the page reports the observed range. Descriptive history, not a recommendation.