The principal
Background, role, and how the practice is run.
The principal has spent two and a half decades designing schools, developmental centers, and inclusive learning environments — the kind of buildings where the architect’s decisions either make the day or quietly break it.
The principal
Mara Holloway, AIA
Licensed architect · Founding principal
- · 25+ years in K-12 and developmental facility design
- · NCARB-certified, licensed in 4 states
- · Past chair, state AIA Committee on Learning Environments
Mara Holloway has practiced architecture since the late 1990s, with the bulk of her work in K-12 public schools, charter special-needs campuses, and developmental learning centers. Her projects ship to ADA Title II scrutiny, IDEA programmatic requirements, and the additional state-level education codes that sit on top of the federal floor. The work has, for the last decade, focused almost exclusively on inclusive facilities — buildings where the day-to-day reality of the student roster shapes the plan from the first schematic.
Spectrumform is the practice that grew out of that focus. Mara serves as the principal-in-charge on every project. She draws. She specifies. She runs the coordination meetings. A small layer of always-on agents support her on compliance, sensory iteration, bid benchmarking, and drift flagging — so that the work holds from the first schematic through decades of operation after the students move in.
- License
- AIA · NCARB
- Focus
- K-12 + developmental
- Years of practice
- 25+
- Role
- Principal-in-charge
The philosophy
Four pillars. Every plan, from day one.
A neurodiversity-affirming design philosophy shows up in plan, not in a sign-off later. Each pillar below names the discipline it lives in, what it looks like on day one, and the failure mode it prevents from surfacing later.
Sensory rooms are positioned as anchor uses on the plan — central, generously sized, with quiet adjacencies and direct sightlines from the classroom wing. They are not carved out of leftover area after the program is locked.
What it means on day one
On day one, the sensory room sits on the central corridor, near the threshold of the classroom wing, with a discrete entry, a soft-floor zone, and a window into the daylight side.
What it prevents later
Prevents the post-occupancy sensory retrofit: a quiet corner taped off, a converted storage closet, or a borrowed OT room that breaks the day for the students it was supposed to serve.
Lighting is designed to the sensitivities of the students it serves — flicker-free drivers, dimming curves, color temperature tuned to circadian rhythm, and a deliberate floor on the dual-band 50/60 Hz hum that cheap ballasts put into the soundscape.
What it means on day one
On day one, every classroom uses high-frequency, dimmable LED with a 0–10V or DALI curve, perimeter zones tuned warmer than the core, and a power-quality spec that rejects the humming ballasts that dominate commodity K-12 fixtures.
What it prevents later
Prevent the daily shutdown: the student who cannot finish a lesson under a flickering 60 Hz fixture, the classroom an occupational therapist quietly de-prioritizes, the avoidable vestibular load on every child in the room.
Every classroom is shaped to a speech-transmission target, not just a code-minimum reverberation time. Background noise is held below the level at which language-processing students lose the desk-side conversation.
What it means on day one
On day one, walls and ceilings carry the absorption needed to hit a 35–40 dBA background-noise floor and a reverberation time that keeps the teacher’s voice intelligible at the back of the room.
What it prevents later
Prevent auditory-load masking of instruction: the student who hears the HVAC louder than the teacher, the assistant quietly cued closer to one child than the others, the cap on how much curriculum actually lands.
Wayfinding is built for learners who navigate by image, color, and routine rather than by reading signage. Paths from parking to classroom front door are modeled as a sequence of visual waypoints, with no text-only junctions.
What it means on day one
On day one, the parking-to-classroom path carries the same identity at every turn — color, image, and a single reinforcing word at the threshold — so a student who reaches the front door alone on day three is doing exactly what they did on day one.
What it prevents later
Prevent the escort-staff load: the paraprofessional redirected from instruction to hallway supervision, the family kept at the front desk because their child cannot navigate independently, the daily tax on dignity that compounds over a school year.
Start here
Talk to the principal about your project.
Tell us the state, a short description, and the rough timeline. Mara reads every inbound message personally and replies inside two business days with a one-page proposal and a calendar invite.