What if your school building could help pay for itself?
Biophilic Design, incorporated in TimberQuest buildings, is linked to better attendance from students and teachers and stronger teacher retention.
Enter your district's numbers to see what that could mean financially.
★ Better Test Scores ★★ Less Absenteeism ★★ Greater Teacher Retention ★
Biophilic Return on Investment (ROI) Calculator
1 · Savings from Reduced Student Absenteeism
Biophilic Design lessens student absenteeism by 5% on average. Funding rates come from LCFF Funding data for Public and Charter Schools.
District wide TK-12th grade
State average funding per student per day. If you select several groups, their rates are averaged.
6.6% is the state average rate per California Legislative Analyst's Office (2026); California Department of Education (2024–25).
You could recognize $0 in increased State funding with Biophilic Design per year.
Calculation assumes 180 instructional days per year.
2 · Substitute teacher Savings
Biophilic Design lessens teacher absences by about 12%. Your number of teachers is estimated from enrollment at a ratio of 20.4 students to 1 teacher (California Department of Education), and teacher pay is an average regionally based on data from CaliforniaSchoolJobs.com.
Estimated teachers in your district: 0
Estimated teachers based on student enrollment entered above.
NorCal Average Sub Teacher Pay = $215 / day
SoCal Average Sub Teacher Pay = $200 / day
With Biophilic Design, your sub costs go down by $0 per year.
3 · Teacher retention Cost Savings
The Learning Policy Institute (2024) found teacher turnover costs vary by district size, before counting costs to students and schools. Biophilic Design is associated with a 7.8% increase in teacher retention.
84.4% is the state average of Highest Need Schools, Lowest Need Schools, Charter Schools and Special Ed Teachers, per Learning Policy Institute, California Teacher Workforce Research (June 2026).
Small district (Under 10,000 students) · $11,860 / departure
Medium district (10,000-50,000 students) · $16,450 / departure
Large district (Over 50,000 students) · $24,930 / departure
With Biophilic Design, you could save $0 per year.
TOTAL ANNUAL BENEFIT FOR YOUR DISTRICT 2026
$0
10-YEAR BENEFIT FOR YOUR SCHOOL DISTRICT
$0
Your 2026 total repeated for 10 years, growing at a 3.3% historical annual inflation rate.
Estimates apply study percentages to the figures you enter: funding = enrollment × average daily rate × 180 days × absence rate × 5%; subs = (enrollment ÷ 20.4) × absence days × sub cost × 12%; retention = teachers × (1 − retention rate) × departure cost × 7.8%. 10-year benefit = sum of the 2026 total grown 3.3% each year over 10 years. Results are illustrative, not a guarantee.
Biophilia provides a superior learning environment
5%Reduction in absenteeism
3.3xHigher test score gain
7.8%Increase in teacher retention
4 minTo lower a stress response
32%Reduction in student stress levels
55%Reduction in student mental health issues
>80%Students, parents and staff respond positively
Mae has more than 26 years of experience in structural design. She has designed and managed various structures, including custom residences, public and private school buildings, and community centers. She has a special interest in sustainable design and construction and follows LEED certification updates and sustainable practices, making her a natural thought leader for mass timber projects. Mae is thoughtful in coordinating teams to ensure that solutions are efficient and sensible.
Doug Robertson PE, SE
Structural Principal
During his career spanning 38 years, Doug has managed and directed the structural design of many technologically innovative and diverse projects, including new building design, seismic evaluation and strengthening, performance-based design (including base isolation), and sustainable design. Placing great attention on important project details while executing broader project goals pertaining to construction, budget, schedule, and constructability, Doug has consistently helped owners and architects develop innovative design solutions.
Afsha Ali
Architectural Associate Principal
Afsha has successfully led teams for both new construction and major renovations for various types of projects throughout the Bay Area. She sees every project as an opportunity to enhance the well-being of its users and create a positive impact on the whole community.
Joe Vela
Architectural Principal
Joe has led all aspects of planning, design, and construction. He is well known for his thorough knowledge of projects, positive client interaction, management skills, and understanding the large picture for his clients.
Aaron Rhodes
Aaron Rhodes brings a lifelong connection to construction and development in his role leading TimberQuest. Having grown up in the construction industry and worked in the field from a young age, Aaron developed an early appreciation for the craft and the people behind successful projects. Throughout his career, he has worked with forward-thinking teams embracing new technologies and project-centric design, combining business fundamentals with construction expertise to re-engineer processes, evaluate costs, improve designs, and deliver successful outcomes for a wide range of stakeholders. His experience spans projects from individual building additions to full campus replacements.
At TimberQuest, Aaron leads organizational strategy, financial performance, operations, team growth, and business planning as the company expands its prefabricated mass timber solutions into the market. He is focused on creating cost-effective solutions for clients while empowering TimberQuest teams with the resources, processes, and strategic direction needed to deliver exceptional service and successful project outcomes. Through early planning, prefabrication, and collaborative project delivery, Aaron is helping TimberQuest transform how educational facilities are delivered, creating high-quality, sustainable spaces that can be built faster and designed to last.
Steve Winslow
General Contractor Senior Vice President
As Senior Vice President, Steve Winslow drives corporate initiatives for XL on prefabrication, efficiency, and culture. With 30+ years of industry experience, Steve provides high-level stewardship and drives change for XL in large corporate issues. He is a thought leader in the industry and brings people together to effect change. With Steve’s specific expertise in design phase management, he has helped hundreds of progressive Owners get their projects designed and constructed faster and more cost efficiently. Steve is a LEED and DBIA Accredited Professional.
Bryan Rosevear
General Contractor Project Executive
Bryan has completed over 30 DSA projects. He provides executive oversight during both the preconstruction and construction of the project, making sure that the project-specific work plan and the scheduling are all accomplished to meet client needs. He makes sure that XL’s on-site management team has all the resources to successfully deliver each TimberQuest project.
Matt Larson
Matt Larson brings more than 20 years of construction industry experience to his role at TimberQuest, where he leads preconstruction, development, and delivery of innovative prefabricated mass timber solutions for educational facilities. Throughout his career, Matt has been involved in mass timber projects ranging from 20,000 to 315,000 square feet, building deep expertise in scalable, sustainable construction. At TimberQuest, he leads lean practices and R&D, oversees fabrication and procurement strategies, and provides executive-level project support.
For Matt, improving educational environments is more than a professional pursuit, it’s personal. His mother was a teacher, giving him a firsthand appreciation for the impact schools and learning environments can have on students, educators, and communities. That connection drives his commitment to helping school districts deliver modern, sustainable, high-quality spaces faster and with less disruption. At TimberQuest, Matt is passionate about leveraging mass timber and prefabrication to create better places to learn while transforming how educational facilities are designed and built.
