Academic Decathlon- Academic Decathlon meets on Wednesdays at 3:00pm in Rm 6-14. Looking for a challenge beyond the norm? Are you one of those students that regular school just doesn't cut it for you? Are you passionate about math, science, language, music, art, speaking, economics, government, teamwork, individuality, or learning simply for fun? Academic Decathlon is an educational experience which provides a format in which teams of nine students compete in academic events. All students are welcome -- the makeup of each nine member team must include three A students, three B students and three C or below students. Based on a point system, the highest scoring team will represent the state at the National USAD competition. Advisor: Mr. Bret Daley, Rm 6-14.

Anime Club - Anime Club meets on Fridays at 3:00pm in Rm 8-7.  Advisor: Mr. Brian Rank, Rm 8-7.

Chess Club- The Royal Chess Club meets on Wednesdays during both lunches. The Chess Club's purpose is to promote the game and strategies that chess offers and to participate with other chess clubs in the area in tournaments and activities. Advisor: Mrs. Joanne Dioszegi, Rm 8-15.

Christian Club - The Christian Club meets every Thursday morning at 8:00am in Rm 7-4. Our purpose is to serve others, gain wisdom, discuss important issues, welcome all Royal students and to enjoy each other's fellowship. Throughout the year, we will host guest speakers, have movie nights and do service projects. Everyone is welcome!  Advisors: Mr. Mike Dicus, Rm 7-4 and Mr. Dave Sorenson, Rm 10-1.

Computer Game-Making Club - Are you interested in learning how to create games on the computer?  The Computer Game-Making Club meets on Wednesdays at 3:00pm in Rm 9-1.  Advisor: Mr. Dan Shuster, Rm 9-1.

CSF- CSF stands for California Scholarship Federation and is a state-wide organization whose purpose is to recognize students who have demonstrated outstanding academic achievement. Qualifying for membership is on a semester basis. Advisor: Mr. Bob Willging, Rm 5-3.

Equestrian Club- The purpose of the Equestrian Club is to form a network of equestrian students to socialize, share and contribute to the equestrian community. Please join us if you have a love for horses, enjoy riding, or are interested in the IEL Team (Interscholastic Equestrian League). We encourage all styles of equestrian sport and would love to welcome new members with an array of riding experiences. Advisor: Mrs. Kristin Fischer, Rm 5-12.

French Club- The French Club meets on Fridays during both lunches in Rm 6-6.  Advisor: Madame Coco, Rm 6-6.

Home Economics Club- The Home Ec Club is for students who have an interest in the culinary arts, cooking and baking, and/or child development. The Home Ec Club prepares food for fundraisers, the staff breakfast and just for fun! They also plan trips to culinary schools, hotels and restaurants to meet chefs and to see real working kitchens. The club participates in fundraising activities for children's organizations such as UNICEF and the YMCA preschool on Royal's campus. Advisor: Mrs. Carrie Smith, Rm 8-6.

Interact Club- Interact is a Rotary-sponsored service club for young people. Interact gives students an opportunity to participate in fun and meaningful service projects. Advisor: Mr. Bret Daley, Rm 6-14.

Key Club- Key Club meets on Wednesday - 1st lunch Rm 5-2 and 2nd lunch Rm 6-1.  Key Club is the largest high school service leadership organization in the world. The mission of this international, student-led organization is to provide its members with opportunities to perform service, build character, and develop leadership. RHS Key Club is sponsored by the Simi Valley Kiwanis. Key Club is open to all grade levels and welcomes new members throughout the school year. Advisor: Mrs. Sandy Porter, Rm 5-10.

Literary & Arts Magazine- Advisor: Mrs. Jean Svoboda, Rm 5-2.

Mock Trial- A team of students from Royal will prepare and present a trial from the prespective of both the prosecution and the defense. They will then compete against other Ventura County high school teams and may advance to compete at the state and national levels. Students, with the help of an attorney coach, will practice roles, learn about legal concepts and create persuasive arguments. There is also a courtroom art and journalism contest that students may participate in during Mock Trial. Advisor: Ms. Carol Wyenn, Rm 6-2.

National Honor Society- The purpose of the National Honor Society is to stimulate a desire to render service, to promote leadership and to develop character in the students of secondary schools. NHS is open to Royal junior and senior students who meet the membership requirements of 3.50 GPA or higher, a dedication to community service during the previous year, active in school activities and has demonstrated leadership qualities. Advisor: Mrs. Mary Jo Flood, Rm 6-3.

Philosophy Club - The Philosophy Club meets on Fridays after school at 3:00pm in Rm 7-3 to discuss what it means to be a human being. Recent topics include: "Why do I have the ability to reason? Is it a blessing or a curse?" and "True or false: we don't need thought control?" Everyone is welcome. Advisor: Mr. Bob Brown, Rm 7-3.

RHS Racers- RHS Racers is a mountain biking club. Advisor: Mr. Brian Dennert, Rm 6-7.

RobotiX Club- The RobotiX CLub designs and operates radio-controlled robots using the VEX Robotics Design System. The goal of the club is to compete in local FIRST VEX competitions. FIRST is a non-profit organization created to encourage interest in science and mathematics. These competitions consist on collaborative games in which robots interact with other robots on a playing field. This is not "battle bots". In fact, the motto of FIRST VEX is gracious professionalism. The RobotiX Club meets on Wednesday from 3-4pm. Advisor: Mr. Dan Shuster, Rm 9-1.

Science Club- Science Club meets on Thursdays after school in Rm 8-11. Advisor: Mrs. Zina Goldman

Yosemite Club- Advisor: Mr. Ignacio Saldain, Rm 8-5.