Skills are basic solutions that may be developed by anyone and are most valuable to whoever possess it. You may just see skills as knowledge, wisdom, and practices that worth value because having such skills solve problems and address some valuable needs. Skills can be brought to any community in exchange for some other values such as money, properties, assets etc.
The basic skill everybody and anybody needs is survival skills; such as basic communication, interaction, and skills that can enable you to be independent as human.
However, to possess wealth and be financially independent you will need to have high placed value skills that once you possess such skills by learning and practicing it proficiently, you will be availing yourself much more monetary value whereby even if you spend to support yourself from such wealth you will have left balance to start growing wealth.
Youths need to appreciate the age of information whereby there is no skill at all that you will not find knowledge available for it via the internet, you can learn and improve yourself via reading books or attending webinars even live events are much more at ease outside the school environment.