Best movies like Knock Knock

Lizzie Borden High's class of '72 are going through the motions at their tenth-year reunion, until deranged alum Walter Baylor, driven insane by a sadistic senior-year prank, escapes from the mental institution and crashes the party. When guests start getting bumped off, the other alumni, including snooty yacht salesman Bob Spinnaker, class tease Bunny Packard, and class zero Gary Nash, spring into action to uncover the culprit.

Julie, a college student, is sexually assaulted by two fellow students. Desperate for revenge, she makes contact with a necromancer, who begins using her demonic powers to get rid of any guy Julie hates.

A Boston police detective investigates a series of gruesome decapitations of various college coeds, committed by a helmeted, black-leather clad serial killer.

Beautiful Mandy Lane isn't a party girl but, when classmate Chloe invites the Texas high school student to a bash in the countryside, she reluctantly accepts. After hitching a ride with a vaguely scary older man, the teens arrive at their destination. Partying ensues, and Mandy's close pal, Emmet, keeps a watchful eye on the young males making a play for Mandy. Then two of the students are murdered.

The teenager Madison McBride is traumatized by the loss of her deranged father when she was nine years old and the suicide of her beloved brother Brandon one year ago. She decides to join the Richard Miller University, where Brandon committed suicide, to overcome her demons. While walking to her dorm, she meets the weird janitor Wilbur Mackey that tells her that the place is haunted.

Carrie White, a shy and troubled teenage girl who is tormented by her high school peers and her fanatically religious mother, begins to use her powers of telekinesis to exact revenge upon them.

School is boring, family life unbearable, and Harold and his high school friends have turned Central Park into their 'spot'. Unbeknownst to them, a revenge-seeking executioner prepares to kill them off one by one to pay for the sins of the father.

After the tragic death of her husband, a mother moves her teenage son and daughter to the idyllic town of Purity Falls only to find the rift with her son deepen when he becomes entrapped in the neighborhood maven's nefarious home business.

A mysterious death of a young college student occurs late one night at a prestigious New England college...

Riley is struggling to make friends after transferring to a new high school where her father, Chris, is an English teacher. When she meets Kyla, they quickly becomes close friends. However, the friendship takes a strange turn when Riley learns that Kyla is obsessed with her dad. Will Kyla successfully seduce Chris and start a twisted new life with him by removing everyone in her path, or will Riley be able to save her father from Kyla’s treacherous plot before it’s too late?

In 2009, the small town of Cohasset, Massachusetts was rocked with tragedy. A 17-year-old high school senior named Collin Mason murdered three classmates. All the murders were videotaped and uploaded to the Internet via bit torrent sites and for three days, the world viewed the murders of these three innocent teens. Through legal action, the parents of the victims were able to remove all footage from the Internet and the town tried to save face by pretending it never happened. Bootleg copies of this footage are still passed around and downloaded through illegal means. The impact of this video is still being felt in Cohasset today. The video has become infamous, and is now referred to as The Cohasset Snuff Film.

Evan values family above all else, and anyone who gets between him, his wife, and newborn son learns that the hard way. But when it comes to violent tendencies, it seems the apple doesn’t fall far from the tree.

Missy McCloud is the most beautiful girl in school and Johnny Dingle has been in love with her for years. One night, Johnny is killed trying to win her over, and soon he comes back from the dead, and wins Missy's heart.

At a high school senior prom, a masked killer stalks four teenagers who were responsible for the accidental death of a classmate six years prior.

In a small college in North Carolina, only a select few students are left to take mid terms. But, when a killer strikes, it could be everyone's final exam.

High school history teacher, Ty Anderson, has a minor online communication with a teasing student which finds him immediately fired and snaps him into a psychotic killing spree, terrorizing his former female students at their slumber party.

High school student Paula Carson's affections are being sought after by two of her classmates: Dwight, the "bad boy", and Brian, a disturbed young man who has just been released from a mental hospital where he was committed following the suspicious death of his father. Soon after being released, more murders start happening. Is Brian back to his old tricks, or is Dwight just trying to eliminate the competition?

Brilliant and aloof teenager Andrew is always the butt of his class mates' jokes — but little do they know that he is actually the demon Lucifer. As the evil wells up within him, he avenges himself in acts of demonic murder and destruction. But his foe, the archangel Gabriel, has assumed the form of 18-year-old student Julie.

A teacher still haunted by the death of two teens that she accidentally caused as a young girl goes berserk when four teens start harassing her and then attack her in her home.

Eight different people are invited to their 10-year high school reunion at their now-closed down high school where a former student, disfigured from a prank gone wrong, is there to seek revenge.

An 18-year-old high school girl is left at home by her parents and decides to have a slumber party. Meanwhile, a mass murderer with a propensity for power tools has escaped from prison, and eventually makes his way to the party where the guests begin dropping off one by one.

Maimed by bullies at a California high school, a new student engineers acts of revenge.

On a stormy Saturday afternoon, six students from Crestview Academy begin to meet horrible fates as they serve out their detentions. Is a fellow student to blame, or perhaps Crestview's alleged ghosts are behind the terrible acts?

A same-sex couple move to a small town so they can enjoy a better quality of life and raise their 16 year-old daughter with the best social values. But nothing is as it seems in their picturesque neighbourhood. And when Malik sees the folks next door throwing a very strange party, something very shocking has got to give.

Three students that are brutally murdered over the weekend as the students and staff are getting ready for the annual 'Wildcat Night', but the murderer walks among the peers ready to strike again, in this slasher flick.

While digging into their town's infamous past, a group of high school students unwittingly unlock an even darker secret. Now, an evil spirit has been awakened and will stop at nothing to find his true heir.

A beautiful lonely girl named Melissa tries to make new friends from a town she's currently living in. The only problem is, each of the boys that she spends time with end up brutally murdered. Her sixteenth birthday is on the way, but Melissa turns out to be a suspect when it seems she's the last person who has seen her boyfriends alive.

The owner of a slaughterhouse facing foreclosure instructs his obese and mentally disabled son to go on a killing spree against the people who want to buy his property.

The town of Downers Grove looks like your average suburban neighborhood -- but Downers Grove has a disturbing secret.... For the past eight years, one senior from every high school graduating class has met a bizarre death right before graduation day. And this year, Chrissie Swanson has a terrible feeling that she is going to be the one to die. Can Chrissie survive the curse of Downers Grove or will she, like those seniors before her, fall prey to the town's deadly secret?

Starring Jurgen Prochnow ('The Replacement Killers' 'Air Force One' and Patrick Muldoon 'Stigmata' 'Starship Troopers'), 'Heart of America' is a powerhouse of a contemporary drama and essential viewing for anyone who was captivated by Michael Moore's 'Bowling For Columbine'. It is the last day of high school and the unthinkable is about to happen. Distraught at the constant abuse and bullying they have been subjected to, two students have made a suicide pact. But before they take their own lives, they are determined to cause chaos and murder amongst their fellow students.

Young Jeremy's life is a daily slog through teenage hell -- his only shields are his iPod and his sour attitude. He doesn't even know that change is possible, let alone that it is coming... that it is inevitable, that it is... his fate. He's about to stumble into an ancient feud between two warring vampyre clans... Santa Maria, the forgotten Queen of the Clan of the Snake has been imprisoned and left for dead in a shallow grave in the desert of Hell.

A group of high school students, led by a rich boy Derek, is sick of school violence and decides to become underground vigilantes named "Brotherhood of Justice". It starts with the idea "watching people", but things quickly get out of control. "Brotherhood of Justice" turns out another gang of violence. Derek wants to stop it but it is too late, so he takes responsibility for it and gives himself to the law.

A masked killer begins murdering students on the school track team after a track runner dies upon completion of a 30 second 200-meter race.

Three years after a tragic accident leaves a student dead at the annual Homecoming dance, a group of senior friends anxious about the return of Homecoming Night to their sleepy Southern town find themselves visited by a deadly presence from their past in the dark and desolate halls of their very own high school.

Eighteen year-old Corey Peterson and his mother move to a small town due to a trauma in their past. On Corey's first day at Hallows End High School, he's approached by Mason, also new in town, who tells him about the death of his friend at the school and advises Corey to stay away from the wrestler Perry and his gang. When two other students vanish, Corey decides to talk to Principal Rizcheck, who pays no attention to him. Corey and Mason investigate the secret about the school and expose the dark truth about Hallows End and the missing students.

What is supposed to be an educational and collaborative weekend professional development session for the English Department of Prescott High School instead turns into a blood soaked nightmare when a masked killer targets them.

Panman is a demon chef with the recipe for murder. As people start to disappear, a custard professor and a few of his students, band together to try and stop PANMAN. In the beginning, Panman seems to be a vicious killer with a pan in his hand and a craving for fresh victims, but we soon find out he has a thirst for something more, LOVE. Lurking on the other side of town is a grizzled culinary professor who is hell bent on forming an assassination squad to kill Panman once and for all. The Professor and his hunters are able to infiltrate Panman's love life and cause disastrous results. Once Panman's girl is gone and his heart is broken, he goes on a one-pan-man killing spree exacting revenge on the Professor and his students. Written by Tim Pilleri (IMDB.com)

Six friends become prey for a sadistic psychopath when they decide to ditch their high school's after prom party for their own celebration at a secluded house.

A group of six ex-high school cheerleaders are stalked by a killer with a medieval war hammer and battle axe during their first Spring Break from college.

A group of amazing athletes are systematically stalked and killed by a crazed, hoodie wearing psychopath.

A deranged masked Santa-Slayer comes to town for some yuletide-terror. He leaves behind a bloody trail of mutilated bodies as he hunts his way to the front steps of the town's most feared and notorious home.

Maggie returns to her hometown to dedicate a scholarship in her late husband's name. While there, she reconnects with old friends and comes to believe that her husband's death is tied to the mysterious deaths of several old classmates..

It's the end of the school year for a group of high school friends. Their senior prom was to be a night of elegance, rejoicing and celebrating, but when a psychotic killer hijacks their stretch limo, he is determined to have them Dead On Arrival. The teens are tortured while being held hostage, and soon turn on each other for survival. By the end, we learn that one of the teens had been keeping a secret that played a bigger role in their demise.

Two years after a high-school prank involving flesh-eating acid nearly kills popular teacher Mr. Balszack, the graduating class of Sloppy Secondary holds a ’24-Hour Famine’ charity event on school grounds. But there’s an uninvited guest at this event, masquerading as the school’s handyman mascot, and he’s got an insatiable hunger of his own.

Several college students are brutally murdered in a small college town an the killer is still on the loose...

Miriam, Derek, Ian, and Jenny are overachieving high school students doing everything by the book. Straight A's, sports, yearbook, band, and - when coursework allows - planning and executing elaborate murders.

When a young girl takes her own life, Archie and the other Suicide Kids decide to follow her lead and form a pact. But as the group begin to die on by one, Archie realizes that they have all become the target of a masked killer and that his commitment to death has become a terrifying fight for survival and a battle to protect the girl he loves. But who's the killer?

A high school election turns deadly when a homicidal maniac dressed like Abe Lincoln starts killing off candidates.

Scott Rantzen (Brady Simenson) is a horror movie loving misfit who is teased by the popular students in school. When a date with the very popular and very beautiful Erica Carpenter (Stephanie Leigh Rose) backfires, he feels as though his life is ruined. Ten years later, the gang reunite for their class reunion. Little do they know that someone is waiting for them and ready to see that they pay for what they did. Is Scott back for revenge and will the old gang survive to tell the tale? It'll be more gore for Class of 04.

At a vacation winter lake house, seven high school seniors are attacked by a madman out for revenge.