|Intimacy Level||Good Friends, Ex-Boyfriend and Ex-Girlfriend|
|Started Dating||Danger Zone (818)|
|Dating Status||Broke up in Heart Like Mine (1) (911)|
K.C. and Clare started dating in Danger Zone and broke up in Heart Like Mine (1). The two have barely interacted since the break up, let alone show signs of ever getting back together. They are shown to be friends again since In the Cold, Cold Night (1), and were shown saying their final goodbyes to one another in Rusty Cage (2).
Season 8In Uptown Girl (2), Clare asks K.C. if he's in the right class. In response to the question, he says nothing and acts slightly annoyed. Also, when Clare gives K.C. a tour of Degrassi, he starts to make comments that make him look like he's stupid, since he thought Clare implied he was. Clare apologizes for the conversation back in the Gifted Program class. K.C. tells Clare it's okay to care about what people think, at which she denies. Then, K.C. dares Clare to display a talent at lunch, which backfires when she's mocked for singing a hymn. He later comforts her, and the two become friends. In Man With Two Hearts, Clare feels uncomfortable when Alli asks K.C. about underwear. They later go to Connor's house to help with the robot.
In Lost In Love (1), K.C. decides to give Clare a rose and hopes that she will go to the dance with him. When finishing with the robot, Clare gets annoyed with K.C. and Connor's arguing and she says she won't go and just wants to finish building the robot.In Lost In Love (2), Clare decides she wants to go to the dance with K.C. At the robot wars competition, she holds K.C.'s hand, but after the competition she turns K.C. down for Connor. At the dance, Clare tells K.C. she really wanted to go to the dance with him, and he tells her to prove it by dancing with him. They proceed to dance until Connor sees them and storms off. Later when K.C. is getting punch, Clare tells him she's not ready for a relationship and he smoothly asks her, "And who are you not ready to have a relationship with?" They then smile at each other.
In Causing a Commotion, K.C. sees Clare and Alli being harassed in the hall by Derek and Bruce and he tells them to back off. K.C. also seems rather angry when The Shep calls Clare a bitch. The next day when Clare goes back to her old uniform, Alli makes a comment about it and K.C. says she looks nice.
In Jane Says (2), K.C. tells Clare she looks nice.
In Touch of Grey, K.C. shows Clare how to shoot a basketball into a hoop. Later K.C. tells his secret to Clare about his violent past, at which she tries to accept. Then, when Connor comes up to them all bloody, she asks K.C. if he attacked Connor. Connor says that the wound was from basketball practice. Clare then tries to apologize to K.C., but he walks away.In Danger Zone, Clare and K.C. are shown ignoring each other in this episode, and Connor attempts to get them to make up the first time, but they end up arguing and they leave. At the dance, they are locked together, share their first kiss, and start dating as they come out.
Season 9Shoot to Thrill, K.C. gives Clare a kiss on the cheek. They also feel awkward when Alli invites Johnny to sit with them.
In Beat It (1), K.C. and Clare attend the school fair. Then when K.C. wins Clare something, she gives him a peck on the cheek.
Heart Like Mine (1), Clare gets jealous when K.C. hugs Jenna and K.C. just kisses Clare. At the car wash, her jealousy begins to grow once he's messing around with Jenna. K.C. does play with Clare for a while until Jenna butts in. Later, K.C. breaks up with Clare because all they do is make each other mad, and she feels heartbroken.
In Heart Like Mine (2), Clare is heartbroken when she finds out K.C. is with Jenna. Later, Clare asks what's wrong with K.C. K.C. says he's sorry for everything, and Clare looks surprised.
In Start Me Up, Clare writes a story that tells about her relationship with K.C.
In In Your Eyes, K.C. has trouble in math and Clare tutors him. However, he still has trouble and Jenna convinces K.C. to cheat off of her. Later, Clare confronts the two.
In Breakaway (1) K.C. says Clare looks the same once Jenna spreads the supposed boob job rumor.
In Breakaway (2), K.C. slightly approaches Clare once she is confronting Jenna. Jenna tells Clare that she knows that Clare is only doing the boob job because Clare wants K.C. back. Clare tells Jenna that Clare wasn't getting a boobjob, but was getting laser eye surgery. Jenna then asks Clare if she wants to tell everyone that the rumour was false, but Clare says no and says that the school can think whatever they want. Clare then looks at K.C. He then looks back at Clare.
Season 11In Love Game, Clare introduces Jake to K.C., Jenna, Alli, and Dave when they're all at Above the Dot.
In In The Cold, Cold Night (1), Clare asks if K.C., Jenna, Connor, and Alli can help her with the paper at which they all reject. Later, K.C. and Clare rekindle their friendship.
In In The Cold, Cold Night (2), after successfully finishing the paper, Clare treats everyone to pizza.
Season 12In Closer To Free (2), Clare was looking through #StuffClareSays on Twitter, and K.C. tweeted something about her. Later, Clare, Adam, and Connor are presenting their project, and they tweet everything Clare says. Clare later sees a video of K.C., Adam, Dave, and Connor wearing a wig and mocking everything Clare says.
In Rusty Cage (2), Clare, along with Alli, Bianca, Connor, and Jenna find out that K.C. is moving to British Columbia. Clare and the others get washroom passes so they can leave class to say their goodbyes and all hug K.C.
- They have both been betrayed by an adult that they looked up to.
- Both were in the gifted program.
- They are both good friends with Jenna Middleton, Dave Turner, Connor Delaurier and Alli Bhandari.
- This couple is favoured by Sam Earle and AJ Saudin.
- In season 8, there was a love triangle between Clare, K.C., and Connor.
- Their first and only on-screen kiss was in Danger Zone.
- K.C.'s first line was spoken to Clare. ("You'll have to stick around.")
- K.C. was the first character to have Clare prove that she doesn't care of what people think of her - she sang a hymn in the cafeteria. The second was Eli.
- Clare was the first one to hug K.C. when he was about to leave.
- They were both seen in the season 8 and 9 opening credits together.
- Both share the same line, "You have to be freakin' kidding me."
- Start Up: Danger Zone (818)
- Break Up: Heart Like Mine (1) (911)
- Reason: K.C. began having feelings for Jenna, and thought all they did was make each other mad.