Results & Evidence

The proof behind better hiring.

We lead with evidence, not promises. Here's the research and real-world data that shows why evidence-based hiring outperforms traditional methods — every time.

What the research says

Every claim backed by peer-reviewed research and real-world evidence.

86%

Schools Struggling to Hire

of U.S. public schools report challenges hiring qualified teachers — the crisis is widespread and worsening.

Annenberg Institute, 2025

2.93%

Research-Based Screening

of principals use research-based screening assessments. The remaining 97% rely on resumes and unstructured interviews.

Kimbrel, Teacher Hiring, 2019

30 sec

Interview Bias

Interviewer decisions are made within the first 30 seconds based on appearance, confidence, and likability — not teaching ability.

Joyce, 2008

2–3×

Teacher Impact

Teachers have two to three times the impact on student achievement than any other school factor, including programming, leadership, facilities, and technology.

RAND Corporation, 2019

1.13%

Predictive Interviews

of principals use research-based predictive interviews — meaning 98.87% rely on gut feelings and bias-prone methods.

Kimbrel, Teacher Hiring, 2019

$26.5K

Cost of Turnover

Teacher turnover costs $10,000 to $26,500 per teacher — better hiring pays for itself through retention alone.

Learning Policy Institute

Proven Outcomes

Real results from districts using evidence-based hiring processes.

9.8%

reduction in first-year
teacher turnover

8.4%

additional reduction in
second-year turnover

27%

increase in
teacher diversity

0.09 SD

student math
achievement gain

Source: Boston Public Schools evidence-based hiring study

Case Study

Aurora Public Schools

When Aurora Public Schools sought to transform their approach to talent, they partnered with TruFit to bring evidence-based insight into their hiring and development process.

"Transformed how Aurora Public Schools understands talent. TruFit gave us a framework that goes beyond resumes and interviews — we now have real, actionable data about what our people are capable of."

JR

Dr. Joy Ross

Chief People Officer, Aurora Public Schools

What leaders are saying

We were able to see a much fuller picture of their leadership strengths and styles. The depth of insight was remarkable — it showed us things interviews simply can't.

CM

Catriona Moran

Head of School, Saigon South International School

Clear, evidence-based insight that gave us confidence beyond what traditional interviews alone could offer. We knew we were making the right decisions.

OS

Ole Sealey

Director, Kazakhstan International School

Ready to see these results
in your district?

20 minutes, no pitch — just a conversation about what you're seeing and how evidence-based hiring can help.