20
Mar
2026

Projector Setups for STEM Rooms and Science Labs in Schools

STEM rooms and science labs are, in many ways, similar to standard classrooms. The same core AV principles still apply—clear visibility, appropriate screen sizing, and simple, reliable operation.

However, once you introduce larger room depths, fixed benches, and demonstration-based teaching, the way those principles are applied begins to change.

This is where a more considered approach to STEM classroom AV becomes important.

Start with a Standard Classroom Approach

In many cases, a well-designed classroom system will already deliver a strong outcome in a STEM or science room.

This typically includes:

  • Ultra-short throw projection to reduce shadows and glare (a key advantage in classrooms)
  • Brightness suited to typical classroom conditions (generally in the 4,000–5,000 ANSI lumen range for ultra-short throw projectors)—aligned with common classroom requirements for visibility
  • A projection size around 90 inches, which remains effective in many rooms
  • Simple and reliable input connectivity
  • A system that is easy for teachers to use day-to-day

For smaller labs, or where students remain primarily at the front of the room, this type of setup is often more than sufficient. For a more detailed guide for standard classrooms, you may refer to our article on Best Projector Setups for Standard Classrooms.

Where Science Labs Start to Differ

The main differences are not always immediately obvious—but they have a significant impact on system design.

Many science labs are:

  • Larger than standard classrooms
  • Split into zones, with a teaching area at the front and practical benches behind
  • Used dynamically, with students moving between positions during a lesson

This leads to a key question:

Do students need to clearly see content while working at the back of the room?

If the answer is no, a standard classroom setup is likely appropriate.

If the answer is yes, the design needs to adapt.

Visibility Changes Everything

A 90” image works well when students are seated and facing forward.
It becomes less effective when students are:

  • Standing
  • Moving
  • Working at rear benches

At that point, visibility is no longer just about screen size—it becomes about coverage across the entire room.

Effective viewing distances depend on screen size and where the students are positioned. Source: Epson
Achieving the optimal screen size means replicating the average experience for all students in the class, including those furthest away from the screen. Source: Epson

Screen Size and Brightness Considerations

Increasing screen size is a natural response in larger rooms. Moving from 90” to 110” or 130” can improve visibility—but it also introduces trade-offs.

Larger images:

  • Require more physical wall space
  • Can push the image higher on the wall
  • May impact usability, particularly for interactive systems

They also require higher brightness to maintain image clarity. In most school environments, ultra-short throw projectors in the 4,000–5,000+ ANSI lumen range provide a practical baseline, with higher brightness considered as image size increases.

Maintaining Usable Image Height

A common challenge in science labs is the presence of fixed benches, typically around 900mm high. This can:

  • Obstruct the lower portion of the projected image
  • Force the image to be positioned higher than in a standard classroom

While raising the image can improve visibility, it must be balanced carefully to ensure the display remains comfortable to view and use.

Projectors must be positioned carefully to avoid obstruction from the teacher’s bench. Source: Virginia Tech

Interactive Systems and Reach Limitations

Larger projection sizes can create challenges for interactive use.

For example:

  • A 130” image may be approximately 1500mm high
  • When positioned above benches, the top of the image can exceed 2.4 metres

At this height:

  • Many users cannot comfortably reach the top of the surface
  • Interactive functionality becomes difficult to use in practice

This applies to both interactive projectors and flat panels.

If the surface cannot be comfortably reached, the value of interactivity is reduced.

Careful sizing and positioning are essential to maintain usability.

When to Extend Beyond a Single Projector

In larger or split-zone science labs, a single front-of-room projector may not provide sufficient visibility—particularly when students are working at rear benches. This is a common consideration in well-planned STEM classroom AV environments.

Rather than significantly increasing screen size, many schools choose to supplement the projector with relay displays.

A typical approach includes:

  • A front ultra-short throw projector for primary teaching
  • One or more rear 55”–65” displays to improve visibility at the back of the room

In more advanced setups, a PTZ camera can be positioned above the teacher’s demonstration bench to capture experiments and stream them to these displays. This allows students to clearly follow detailed demonstrations without needing to move from their workstations.

This approach:

  • Maintains an optimal projection size and mounting height
  • Improves visibility across the entire room
  • Supports demonstration-based teaching

While not required in every space, it can significantly enhance outcomes in larger or more dynamic STEM environments.

Aitken College’s Food Technology Centre fitted with a set of relay displays to stream what’s being done at the teacher’s preparation bench near student benches.

Preserving Whiteboard Usability

Whiteboard space remains highly valued in STEM subjects.

Ultra-short throw projection supports this well, allowing teachers to:

  • Write alongside projected content
  • Move freely without casting shadows
  • Maintain a familiar teaching workflow

This is one of the key reasons ultra-short throw remains central to STEM room projector solutions.

A Scalable Approach to STEM AV

Not every science lab requires a fully integrated system. A key advantage of modern STEM classroom AV is that it can scale:

Simpler systems

  • Single projector
  • Standard whiteboard
  • Basic connectivity

More advanced systems

  • Relay displays
  • Camera integration
  • Audio reinforcement
  • Lesson capture capability

This allows schools to:

  • Start with a practical baseline
  • Expand over time
  • Align investment with teaching needs

Designing for Long-Term Value

Ultimately, schools are not just installing AV—they are investing in how teaching happens within the space.

Effective school STEM AV design focuses on:

  • Supporting both theory and practical learning
  • Ensuring visibility across the entire room
  • Delivering systems that remain usable over time

In many cases, the goal is simple:

Make it easy for every student to see, understand, and follow the lesson—no matter where they are in the room.

Related AV Considerations

To further enhance STEM and science lab environments, explore:

  • Interactive projectors for collaborative teaching
  • Integrating classroom audio with projectors for improved clarity
  • End-to-end AV services for Victorian schools for complete system design and delivery

Final Thoughts

Designing projector setups for science labs is not about reinventing the classroom—it’s about adapting it.

By carefully considering:

  • Room depth and layout
  • How students use the space
  • Screen size versus usability
  • The role of relay displays and cameras

schools can create AV systems that genuinely support STEM teaching—both at the front of the room and across every bench behind it.