This 'Harry Potter' fan theory might actually reveal why Hogwarts class sizes were so small

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The Cast of 'Harry Potter': Then and Now

Another day, another "Harry Potter" fan theory.

SEE ALSO: J.K. Rowling sends Internet into frenzy with 1 bombshell tweet

The "Harry Potter" fandom might be the most passionate fandom out there. Fans are constantly re-reading the books, watching the movies, and dissecting every tweet from Queen J.K. Rowling to see if it's a clue about any more potential books. She even created a website for all wizard loving pure-bloods and muggles alike, Pottermore!

Many fans might remember back in 2000, when Rowling said in an interview that roughly 1,000 students attended Hogwarts School of Witchcraft and Wizardry. However, why does it feel like every time we watch the movies, or read the books, it always seems like there are so much less?

At any given time, there were maybe 18 to 20 kids in a class. So, if you do the math...

1,000 students / 7 years at Hogwarts = 143 students per Hogwarts House

Then...

143 students per Hogwarts House / 4 houses = 35.75, so about 36...unless there's someone who had an incident while Apparating.

Okay, so now that math class is over, why are there are only half in class. Lucky for you, one HP fan had an epiphany and thinks they discovered why there were so few students during Harry's time at Hogwarts.

http://marauders4evr.tumblr.com/post/140524900827/oh-my-god-i-just-realized-something-for-years

Needless to say, that's a really sad thought. However, if history repeats itself, there is usually a baby boom after a war!

Please excuse while we go pop in the DVD of "Sorcerer's Stone." Check out more Harry Potter love in the gallery below.

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This 'Harry Potter' fan theory might actually reveal why Hogwarts class sizes were so small
UNIVERSAL CITY, CALIFORNIA - APRIL 05: View of Hogwarts Castle at the opening Of 'The Wizarding World Of Harry Potter' at Universal Studios Hollywood on April 5, 2016 in Universal City, California. (Photo by Todd Williamson/Getty Images)
An interior view of Hogwarts is seen during the 'Wizarding World of Harry Potter Opening' press preview at Universal Studios Hollywood in Studio City, California, on April 6, 2016. / AFP / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
A guest looks to purchase a magic wand inside Ollivanders during a soft opening and media tour of "The Wizarding World of Harry Potter" theme park at the Universal Studios Hollywood in Los Angeles, California in this picture taken March 22, 2016. REUTERS/Kevork Djansezian
Guests shop inside Dervish and Banges general store in Hogsmeade Village during a soft opening and media tour of "The Wizarding World of Harry Potter" theme park at the Universal Studios Hollywood in Los Angeles, California in this picture taken March 22, 2016. REUTERS/Kevork Djansezian
Novelties sit inside Weasleys' Wizard Wheezes during a media preview for The Wizarding World of Harry Potter-Diagon Alley at the Universal Orlando Resort in Orlando, Florida June 19, 2014. The new attraction, which opens to the public on July 8, expands the original Harry Potter world, which opened in 2010 and is modeled after Hogsmeade Village, which is located near the Hogwarts School of Witchcraft and Wizardry where the series' leading character Harry Potter begins his magical adventures. REUTERS/David Manning (UNITED STATES - Tags: ENTERTAINMENT SOCIETY)
Guests look at a display of candy inside the Honeydukes sweets shop in Hogsmeade Village during a soft opening and media tour of "The Wizarding World of Harry Potter" theme park at the Universal Studios Hollywood in Los Angeles, California in this picture taken March 22, 2016. REUTERS/Kevork Djansezian
View of the train in Hogsmeade at the Grand Opening of the 'Wizarding World of Harry Potter' at Universal Studios Hollywood, in Universal City, California, on April 7, 2016. Fifteen years after Harry Potter's first big screen adventure, Universal is enchanting a new generation of Muggles with its most spectacular conjuring trick yet -- a theme park in the heart of Hollywood. / AFP / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
View of the train in Hogsmeade at the Grand Opening to the public of the 'Wizarding World of Harry Potter' at Universal Studios Hollywood, in Universal City, California, on April 7, 2016. Fifteen years after Harry Potter's first big screen adventure, Universal is enchanting a new generation of Muggles with its most spectacular conjuring trick yet -- a theme park in the heart of Hollywood. / AFP / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
Fans discover Hogsmeade at the Grand Opening of the 'Wizarding World of Harry Potter' to the public at Universal Studios Hollywood, in Universal City, California, on April 7, 2016. Fifteen years after Harry Potter's first big screen adventure, Universal is enchanting a new generation of Muggles with its most spectacular conjuring trick yet -- a theme park in the heart of Hollywood. / AFP / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
Fans walk through Hogsmeade at the Grand Opening to the public of the 'Wizarding World of Harry Potter' at Universal Studios Hollywood, in Universal City, California, on April 7, 2016. Fifteen years after Harry Potter's first big screen adventure, Universal is enchanting a new generation of Muggles with its most spectacular conjuring trick yet -- a theme park in the heart of Hollywood. / AFP / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
Fans read the Hogsmeade newspaper at the Grand Opening of the 'Wizarding World of Harry Potter' to the public at Universal Studios Hollywood, in Universal City, California, on April 7, 2016. Fifteen years after Harry Potter's first big screen adventure, Universal is enchanting a new generation of Muggles with its most spectacular conjuring trick yet -- a theme park in the heart of Hollywood. / AFP / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
A waiter serves butterbeer in Hogsmeade at the Grand Opening of the 'Wizarding World of Harry Potter' to the public at Universal Studios Hollywood, in Universal City, California, on April 7, 2016. Fifteen years after Harry Potter's first big screen adventure, Universal is enchanting a new generation of Muggles with its most spectacular conjuring trick yet -- a theme park in the heart of Hollywood. / AFP / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
Fans experiment the interactive wand on some of the window in Hogsmeade at the Grand Opening of the 'Wizarding World of Harry Potter' to the public at Universal Studios Hollywood, in Universal City, California, on April 7, 2016. Fifteen years after Harry Potter's first big screen adventure, Universal is enchanting a new generation of Muggles with its most spectacular conjuring trick yet -- a theme park in the heart of Hollywood. / AFP / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
UNIVERSAL CITY, CALIFORNIA - APRIL 07: A general view of atmosphere at the Official Opening Of 'The Wizarding World Of Harry Potter' At Universal Studios Hollywood at Universal Studios Hollywood on April 7, 2016 in Universal City, California. (Photo by Gabriel Olsen/FilmMagic)
UNIVERSAL CITY, CALIFORNIA - APRIL 07: A general view of the atmosphere during the official opening of 'The Wizarding World Of Harry Potter' At Universal Studios Hollywood on April 7, 2016 in Universal City, California. (Photo by Tommaso Boddi/WireImage)
LOS ANGELES, USA - APRIL 6: People visit shops at Hogsmeade village in 'Wizarding World of Harry Potter' theme park at Universal Studios Hollywood, in Los Angeles, USA on April 6, 2016. (Photo by Mintaha Neslihan Eroglu/Anadolu Agency/Getty Images)
LOS ANGELES, USA - APRIL 6: Store keeper poses in front of a shop at Hogsmeade village in 'Wizarding World of Harry Potter' theme park at Universal Studios Hollywood, in Los Angeles, USA on April 6, 2016. (Photo by Mintaha Neslihan Eroglu/Anadolu Agency/Getty Images)
LOS ANGELES, USA - APRIL 6: People visit Hogsmeade village in 'Wizarding World of Harry Potter' theme park at Universal Studios Hollywood, in Los Angeles, USA on April 6, 2016. (Photo by Mintaha Neslihan Eroglu/Anadolu Agency/Getty Images)
An interior view of Magic Wand hop in Hogwarts is seen during the 'Wizarding World of Harry Potter Opening' press preview at Universal Studios Hollywood, in Studio City, California, on April 6, 2016. / AFP / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
An interior view of Hogwarts is seen during the 'Wizarding World of Harry Potter Opening' press preview at Universal Studios Hollywood in Studio City, California, on April 6, 2016. / AFP / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
An exterior view of Hogwarts is seen during the 'Wizarding World of Harry Potter Opening' press preview at Universal Studios Hollywood in Studio City, California, on April 6, 2016. / AFP / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
An exterior view of Hogwarts is seen during the 'Wizarding World of Harry Potter Opening' press preview at Universal Studios Hollywood in Studio City, California, on April 6, 2016. / AFP / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
An exterior view of Hogwarts is seen during the 'Wizarding World of Harry Potter Opening' press preview at Universal Studios Hollywood in Studio City, California, on April 6, 2016. / AFP / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
An exterior view of Hogwarts is seen during the 'Wizarding World of Harry Potter Opening' press preview at Universal Studios Hollywood in Studio City, California, on April 6, 2016. / AFP / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
An interior view of Hogwarts is seen during the 'Wizarding World of Harry Potter Opening' press preview at Universal Studios Hollywood in Studio City, California, on April 6, 2016. / AFP / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
An exterior view of Hogwarts is seen during the 'Wizarding World of Harry Potter Opening' press preview at Universal Studios Hollywood in Studio City, California, on April 6, 2016. / AFP / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
UNIVERSAL CITY, CALIFORNIA - APRIL 05: A general view of the atmosphere during the Universal Studios Hollywood Hosts The Opening Of 'The Wizarding World Of Harry Potter' at Universal Studios Hollywood on April 5, 2016 in Universal City, California. (Photo by Tommaso Boddi/WireImage)
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