It's interesting that you brought that up digitalkat as I was wondering how wealthy the Bhutanese royals are? Do the have their own fortune? Or are they mainly taxpayer funded?
from the info I read about her, I don't believe that her family is poor, or middle class. I think status-wise they are upper class in Bhutan. Her father is Dhondup Gyaltshen is the grandson of Thinley Tobgye the Trashigang Dzongpon (Governor of Trashigang). Her mother, Sonam Chuki is the goddaughter of His Royal Highness Prince Namgyel Wangchuck (half-brother of Third King Jigme Dorji Wangchuck.
Jetsun Pema school path:
> Thimphu in the Little Dragon School
> Sunshine School (1995–96)
> Changangkha Lower Secondary School (1997–98)
> Convent education in St. Joseph's Convent in Kalimpong, West Bengal, India (1999–2000)
> Secondary school education at the Lungtenzampa Middle Secondary School in Thimphu (2001-2005)
> Lawrence School, Sanawar in Himachal Pradesh, India, in April 2006 (joined as Class-XI student where the subjects she chose to study were English, history, geography, economics, and painting)
> Completed Higher Secondary education on 31 March 2008
> Tertiary education by enrolling at Regent's College, in London (International Relations with Psychology and Art History as minor subjects)