Class Clash
Two teams. One topic. Three intensities. The teacher controls how heated the debate gets — the AI provides the ammunition.
Open App →Teams Facing
- 1Divide the class into two teams and seat them on opposite sides of the room — physical separation reinforces team identity and competitive energy.
- 2Project the topic statement centrally between the two teams where both can read it throughout the debate.
- 3Enter each team's student names at setup — the app builds a speaking sequence from those names and prompts a 'Current Speaker' from each side in turn, so the order is fixed in advance rather than improvised on the fly.
- 4A turn timer (1, 2, or 3 minutes) is set on the setup page and runs each speaker's turn — use the intensity setting alongside it to calibrate how much scaffolding the teams get: Mild provides full keyword support, Strong provides minimal vocabulary hints.
The Teaching Logic Behind Class Clash
Class Clash generates a complete team debate framework from a single topic input. The output includes a clear debate proposition, a pro team and a con team — each with a title, 3–5 keywords, and 1–3 short bullet-point arguments. Intensity controls how controversial the generated statement itself is, not the amount of scaffolding: Mild produces low-stakes, fun opinions ('Pineapple belongs on pizza'), Moderate produces standard classroom debate topics ('School uniforms should be mandatory'), and Strong produces more complex ethical or societal issues ('Social media has a negative impact on society').
Each side gets 1 to 3 short bullet-point arguments (max 8 words, key idea only, no full sentences) regardless of level — language complexity scales with CEFR instead: A1–B1 uses simpler vocabulary and sentence structures, B2–C2 uses more abstract concepts and complex language.
The competitive team format changes the social dynamics of debate in productive ways. Students support each other's arguments, build on teammate contributions, and correct each other's language — the team structure creates peer accountability for linguistic quality that is absent in individual debate.
Why It Works
Teams create positive interdependence for language production
Johnson & Johnson (1994) identify positive interdependence as the most powerful variable in cooperative learning: when students succeed only if their team succeeds, individual effort escalates. In Class Clash, team score depends on argument quality — students are accountable not just for their own speaking but for the linguistic quality of their teammates.
Calibrated challenge produces optimal arousal for learning
Csikszentmihalyi's (1990) flow theory argues that learning is deepest when challenge matches skill level — too easy produces boredom, too hard produces anxiety. The three-level intensity control in Class Clash allows the teacher to calibrate challenge precisely: Mild scaffolds the skill gap, Strong creates productive stretch, Moderate maintains flow.
Team argumentation develops argumentative register
Storch (2002) demonstrates that collaborative writing and speaking tasks produce greater grammatical accuracy than individual tasks because students negotiate meaning and correct each other. Team debate produces the same collaborative checking: a teammate who notices a grammar error will instinctively correct it, especially when the team's credibility is at stake.
Step-by-Step in Class
Set up teams and generate
Select a CEFR level, topic, and intensity. The AI generates the debate proposition and both team argument sets. Divide the class into two equal teams before revealing the topic — this prevents students from choosing the side they agree with before they have been assigned.
Team preparation phase
Each team reviews their title, keywords, and 1–3 bullet-point arguments. Allow 5–8 minutes for teams to discuss, expand the bullet points into full spoken arguments, and assign a speaking order against the turn timer.
Structured debate rounds
Each side delivers opening arguments in sequence (1–3 speakers depending on argument count). After both sides have opened, allow one rebuttal round: each team nominates one speaker to directly challenge one of the opposing team's arguments. The teacher awards points for argument clarity, keyword use, and logical coherence.
Decide a winner and debrief
There's no built-in vote — instead, ask the students not on either team to decide who made the stronger case, not which proposition they personally agree with. Debrief by asking: 'What single argument would you have added?'
How to Set It Up for Different Levels
Generates a light-hearted, low-stakes statement (e.g. 'Pineapple belongs on pizza') with simpler vocabulary and sentence structures, plus 3–5 keywords and 1–3 bullet-point arguments per side.
A fun, low-stakes proposition removes the social risk of arguing a 'serious' position, which makes Mild intensity the ideal first exposure for a class new to structured team debate.
Generates a standard classroom debate statement (e.g. 'School uniforms should be mandatory') with more abstract vocabulary, 3–5 keywords, and 1–3 bullet-point arguments per side that teams expand into full spoken arguments.
Moderate intensity sits at the level most classes debate comfortably: familiar enough to argue confidently, contestable enough to generate real disagreement.
Generates a more complex ethical or societal statement (e.g. 'Social media has a negative impact on society') with advanced, nuanced language, 3–5 keywords, and 1–3 bullet-point arguments per side.
Strong intensity gives advanced classes a genuinely contestable, higher-stakes proposition — the linguistic challenge comes from the topic's complexity, not from withholding scaffolding.
Ways to Extend the Game
Devil's Advocate Round
After the formal debate, assign each team to argue the opposite position for exactly two minutes without any preparation. The sudden position switch — arguing what you just opposed — produces the most authentic spontaneous spoken output of any format.
Strongest Argument Contest
Each student individually writes down what they consider the single strongest argument of the entire debate — from either side. In pairs, they compare and argue for their choice. This metacognitive activity develops argumentation awareness beyond the debate itself.
Intensity Progression
Run the same topic three times across three lessons at Mild, Moderate, and Strong intensity. Track argument quality and linguistic complexity across sessions. Students can see their own progression — the same topic becomes a longitudinal measure of debate skill development.
Team Cross-Examination
After each team's opening argument, the opposing team has 90 seconds to ask clarifying or challenging questions. The team must answer directly — no passing. This format tests both argumentation and the pragmatic skill of managing hostile questions, which is distinct from delivering prepared arguments.
Pair It With
You're Wrong
You're Wrong provides the pair-level practice that scales up to Class Clash — students first debate one-on-one with full individual scaffolding, then apply the same argument structure in a team format where peer support is available.
Persuasion Arena
Persuasion Arena adds trivia and confidence-betting to the competitive team energy built in Class Clash — use it as a high-energy closing activity after a Class Clash debate session to consolidate vocabulary in a game-show format.
Mock Trial
Mock Trial provides a fully structured role-based version of the team-opposing-team format — after Class Clash has developed team debate skills, Mock Trial applies those skills in a legally framed, role-specific context with a formal courtroom layout.