School Skirt & Pinafore Size Guide

Skirts fit by waist; pinafores also factor height. Measure the natural waistline.

Reviewed by the 247Sizing teamLast updated: 27 August 2026

School skirts are sized by waist; pinafore dresses also use height for length. Measure the natural waistline, and check the length is school-appropriate.

Skirts by waist · pinafores by height too

Measure natural waistline

School skirt waist sizes by age:

Age	Waist (in)	Waist (cm)	Height
3–4 years	20–21"	51–53 cm	98–104 cm
4–5 years	20–21"	52–54 cm	104–110 cm
5–6 years	21–22"	53–55 cm	110–116 cm
6–7 years	21–22"	54–56 cm	116–122 cm
7–8 years	22"	55–57 cm	122–128 cm
8–9 years	22–23"	56–58 cm	128–134 cm
9–10 years	22–23"	57–59 cm	134–140 cm
10–11 years	23–24"	58–61 cm	140–146 cm
11–12 years	24–25"	61–64 cm	146–152 cm
12–13 years	25–26"	64–66 cm	152–158 cm
13–14 years	26–27"	66–69 cm	158–164 cm
14–15 years	27–28"	69–72 cm	164–170 cm
15–16 years	28–30"	72–76 cm	170–176 cm