The Reef

A healthy reef and a lucky reef are not the same thing.

The Reef puts your sixth graders in charge of a coral reef ecosystem under stress from warming water, bleaching, and tourism. Over ten days they spend a limited budget, balance stakeholders, and learn to tell what caused a change from what merely came with it. It is systems science with real trade-offs.

See what your students get, and why it lands.

No mockups. Every page below is real, pulled straight from the files you download. Tap any one to see it full size.

A worksheet was never going to teach this.

Your sixth graders are not filling in a food-web diagram. They are managing a coral reef with a real budget, making daily calls about temperature, tourism, and a reef that keeps changing. Every choice helps one part of the system and pressures another, and the easy explanation is rarely the right one. The teams who separate cause from coincidence keep the reef alive. That is systems thinking with consequences.

Tap to read a reef report

They are graded on their reasoning, not on the reef's health.

Here is what surprises teachers. A team whose reef thrived is not graded higher than a team whose reef struggled. The outcome is not the point. Students are assessed on the quality of their reasoning, traced through their own daily journal. A sound decision that ran into bad luck scores higher than a careless one that got lucky. That is how a sixth grader learns to value the thinking over the result.

Tap to read the grading note

Let the workbook track the budget.

The Reef comes with a workbook that tracks the research budget and every action the team takes across the ten days. They log their choices, and the costs and what is left keep themselves. Their attention stays on the real question, what the reef actually needs, instead of on the bookkeeping.

Tap to see the budget tracker

Every day is already scripted. You just run the room.

You do not need a marine science background to teach this. The guide scripts every day, names what students will likely say, and gives you exactly how to respond. The data, the stakeholders, and the final assessment are all written for you. You bring the facilitation. The simulation brings everything else.

Tap to read the teacher guide

The lesson plan is already written.

Every simulation comes with a fully editable, admin-ready lesson plan. Standards alignment, daily pacing, learning objectives, differentiation, and an assessment plan are already done, so you can hand it to an administrator or adapt it to your district template in minutes.

Tap to preview the lesson plan

Everything you need to run it.