Is 5'3" short for an 18 year old female?

dogsandyoga
I'm 18 years old and 159 cm tall, which I think converts to about 5'3". I look online and see that 'short' is considered to be about 5'1" and under, and anything above 5'3" is average. Also the average height for females in my country is 161.8 cm, which is like 5'4". So I'm technically only a little bit below average. BUT at school I'm like the third shortest girl in our year group, and I always get people telling me how tiny I am. I'm confused though because everyone tells me I'm short, and I've always considered myself to be short, but technically I'm only slightly shorter than average. What do you think?
Is 5'3" short for an 18 year old female?
20 Opinion