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Feature Deep-Dive

The student who
needs you next —
in one tap.

Interaction counts are always visible on every seat so you can see distribution at a glance. When you want the system to decide who comes next, tap the raised hand icon — Trellis surfaces the least-reached student automatically, opens their window, and you're back to teaching in five seconds.

Algebra I · 1st Period
Az
✋
⊙
📊
Maya T.
×8
Jordan K.
×11
Luis R.
×5
Priya N.
×9
Devon A.
×3
Sam W.
×2
Aisha M.
×6
Ethan C.
×7
Zoe H.
×12
Nadia B.
×2
✋ Equity Selector
Least-reached this week
Nadia Bernard
×2 interactions · lowest in class
Open Participation Window →

What you're seeing on every seat

🔢
Interaction counts are always visible
Every seat displays a live count of how many times that student has been documented in the current time window. No tapping required — you can read the distribution across the whole room at a glance.
📊
Counts include all interaction types
Individual assessments, group interactions, and behavior logs all increment the count. The number reflects total documented engagement — not just academic assessment taps.
✋
The equity selector acts on that same count
When you tap ✋, Trellis reads the counts already on screen and surfaces the lowest. There's no separate tracking system — it's the same data, with one tap making the decision for you.

The Problem It Solves

Teachers don't miss students on purpose.
Cognitive load makes it invisible.

Under instructional load, teachers consistently interact with the same 20–30% of students — not from bias, but because those students signal availability through raised hands and eye contact. The rest wait, unseen, for an invitation that may never come.

Dylan Wiliam (2005) · Keeping Learning on Track · Cambridge University
20–30%
of students receive the majority of teacher interactions during a typical lesson
Wiliam, 2005 — observed across 250+ classrooms
0
systematic tools previously existed to help teachers see interaction distribution in real time
Zhou, 2019 — documented gap in MTSS implementation
of students deserve a documented instructional interaction every class period
The standard Trellis is built to make achievable

Two layers. One system.

Counts give you awareness.
The selector gives you action.

Equity in Trellis works at two levels — both built into the seating chart you're already looking at during every lesson.

● Always on

Interaction counts on every seat

Every seat in your classroom view displays the current interaction count for that student — visible at all times, without tapping anything. Scan the room and you can immediately see who has a high count and who has been missed. Low counts stand out. You don't need a report to know where the gaps are.

Visible on every seat at all times — no tapping required
Updates in real time as you document interactions during the lesson
Includes individual assessments, group interactions, and behavior logs
You can act on what you see manually — just tap any low-count seat
✋ On demand

The equity selector makes the decision for you

When you want the system to choose who comes next, tap the raised hand icon. Trellis reads the interaction counts already on your screen, identifies the student with the fewest, and opens their participation window directly. One tap. No deliberation. The instruction is still entirely yours — Trellis just decided who it's for.

Tap ✋ — one student is surfaced, their window opens immediately
No ranked list shown — you see a name, not a leaderboard
Zero configuration — works from day one with no setup
Identical participation window to a manual tap — no different workflow

What's on every seat

The count isn't hidden.
It's right there.

Every student seat in the seating chart shows two things: their name, and a count badge showing how many interactions have been documented for them. The count badge is color-matched to their performance level — green seats show green counts, orange seats show orange counts — making the combination of academic status and engagement distribution readable in a single glance across the whole room.

🎨
Color tells you academic status
The seat color — Red through Blue — reflects the student's current performance level on the 5-point assessment scale. It updates every time you document an interaction.
🔢
The count tells you reach
The small count badge tells you how many documented interactions this student has had. Together, color and count let you see at a glance: who needs academic support, and who hasn't been reached at all.
✋
The equity selector reads both
When you tap ✋, the selector uses the interaction counts already visible on your seats. The student with the lowest count is surfaced. What you could already see, the selector acts on.
Maya Torres
×8 interactions
Student name
Interaction count — always visible
Seat color = performance level
How the classroom looks — counts visible on every seat
Maya T.
×8
Jordan K.
×11
Luis R.
×5
Priya N.
×9
Devon A.
×3
Aisha M.
×6
Ethan C.
×7
Zoe H.
×12
Sam W.
×2
Nadia B.
×2 ✋
Omar F.
×8
Rosa D.
×5
Teal highlight = equity selector just surfaced this student

How It Works

Simple on the surface.
Thoughtful underneath.

The equity selector has one job: make equitable reach effortless, without adding cognitive load to a teacher already managing 25 students and a lesson.

1
Always on · passive
Counts accumulate on every seat from the first interaction
Every tap you make — whether via the equity selector or a direct seat tap — increments that student's count. The counts are visible on the seating chart at all times. You can read the room's interaction distribution without opening a single report or dashboard. A teacher with good situational awareness can act on what they see directly. The selector is for when you want Trellis to decide.
Maya
×8
Jordan
×11
Luis
×5
Priya
×9
Devon
×3
Aisha
×6
Sam
×2
Nadia
×2
Counts visible — no tap required
2
On demand · one tap
Tap ✋ — the lowest-count student is surfaced and highlighted
When you tap the equity selector icon, Trellis reads the interaction counts on screen, identifies the student with the fewest, highlights their seat with a teal glow, and opens their participation window. You don't see a ranked list. You don't see anyone else's count change. You see one name and one window — ready to document.
Maya
×8
Jordan
×11
Luis
×5
Priya
×9
Devon
×3
Aisha
×6
Sam
×2
Nadia
×2 ✋
Nadia surfaced — seat highlighted
3
Identical workflow
The participation window is exactly the same as any manual tap
Whether you reached Nadia through the equity selector or tapped her seat directly, the window that opens is identical. Assess with a color, check an intervention, save. The equity selector doesn't change what you do — only who you do it for. There's no "equity mode" for the student to notice, and no different experience for the teacher.
Nadia Bernard
via equity selector · 10:31 AM
Assessment
Interventions
Sentence Frame
✓
Visual Model
Extended Wait Time
4
Over time
Counts equalize — the distribution you can always see gets more even
Week after week, consistent use of the equity selector pushes interaction counts toward balance. Because counts are always visible on every seat, teachers can see this progress in real time — not just in a report at the end of a term. The seating chart becomes a live map of who's been reached and who hasn't, and the selector keeps ensuring no one stays at the bottom of that map for long.
📊
Visible on seats
every day

Designed with care

Counts are visible.
Ranked judgments are not.

There's a deliberate distinction in what Trellis shows and what it doesn't. Counts on seats give teachers actionable awareness. A sorted leaderboard would create anxiety and surveillance — the opposite of what good teaching needs. Trellis draws that line carefully.

❌ What Trellis does NOT show
✓ What Trellis does instead
A ranked list of all students sorted by interaction count — a leaderboard visible to the teacher
Counts on every seat, readable at a glance — awareness without ranking
An equity score or percentage rating of the teacher's "equity performance"
A single name when you tap ✋ — actionable, not evaluative
An alert or notification when a student has been "neglected" for too long
A teal icon you tap when you're ready — on the teacher's terms, not the system's
Any configuration screen for weighting, thresholds, or algorithm settings
Zero setup — works from day one using counts already on the seats
Any signal to the student that they were selected by an algorithm rather than by the teacher
An identical participation window to any manual tap — dignity intact

What changes over time

Week 1 the distribution is uneven.
Week 12 it isn't.

Because counts are visible on seats every day, teachers can watch this shift happen in real time — not just discover it in an end-of-semester report.

Week 1 — Baseline
Familiar faces dominate
Zoe H.
14
Jordan K.
11
Maya T.
10
Devon A.
4
Sam W.
2
Nadia B.
1
Week 6 — Midpoint
Gap narrowing
Zoe H.
72
Jordan K.
68
Maya T.
52
Devon A.
45
Sam W.
40
Nadia B.
38
Week 12 — End of Semester
Distribution balanced
Zoe H.
142
Jordan K.
138
Maya T.
131
Devon A.
128
Sam W.
124
Nadia B.
119

Grounded in research

Three decades of evidence
led here.

Dylan Wiliam · 2005

Effective formative assessment requires reaching every student — not just those who signal readiness. Removing raised-hand norms and distributing questions equitably nearly doubles self-assessment gains.

Keeping Learning on Track · Cambridge University
Read the research →
YaRu Zhou · 2019

Collective teacher efficacy — the single strongest predictor of student achievement at d=1.57 — is built through mastery experiences. Consistent, documented equitable reach creates those experiences for teachers and students alike.

Collective Teacher Efficacy Synthesis
Read the research →
Fixsen et al. · 2005

Training alone produces minimal behavior change. Sustainable equitable practice requires organizational infrastructure that makes the right behavior — reaching every student — the path of least resistance.

Implementation Research: A Synthesis · NIRN
Read the research →

See it in a lesson

Every student, every class.
One tap at a time.

A demo runs through a simulated lesson with the equity selector active — you'll see the counts on every seat, watch the selector surface a student, and see exactly what gets documented.