The movement was inspired by 16-year-old Swede Greta Thunberg, who spent all of last August protesting over climate change outside the Swedish parliament, and then when her school semester began, continued her protests on Fridays.
Which Scottish areas will see school strikes?
Josie Law, also 14, from Edinburgh's Broughton High School, believes the protests are an effective way to make society heed the upcoming generation's concerns.
In Glasgow, over 300 people gathered in George Square, with similar numbers striking outside the Scottish Parliament in Edinburgh.
Taking to Twitter, Thunberg expressed her gratitude for the nomination.
Some children in the Highlands had been staging strikes for weeks.More news: Connecticut Supreme Court: Suit Against AR-15 Manufacturer Can Proceed
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A year ago he challenged TV presenter Bear Grylls about his involvement with a diving with sharks aquarium experience.
"I think that change is on the horizon and the people will stand up for their future".
"Action is needed now to protect our world for the future".
"We are striking because our world leaders have yet to acknowledge, prioritize, or properly address our climate crisis", according to the Youth Climate Strike's website.
Campaigners said 15,000 people took part in protests in more than 60 towns and cities across the United Kingdom in February.
India, South Korea, Australia and France are among the countries where teenagers are already on strike.
It is the second global youth stike for climate action in 18 locations around Scotland.
The statement came after ESF's West Island School, a private global coeducational in Pokfulam, told parents that any student absence on Friday would be registered as "unauthorised". Cities, in general, are major contributors to climate change and they must all do their part to mitigate it.