Responding to the Arguments Against Acceleration (Again)

1 Acceleration works green

Question from a gifted coordinator:

My principal found 3 articles indicating that students in mixed ability math courses perform well in later math courses. She is using these as an argument NOT to group our math-talented students for mathematics. How do I respond?

My response:  

I would like to respond with an entire body of research evidence rather than selecting a handful of studies to cite. Educational researchers use a technique called “meta-analysis,” in which they look at hundreds of studies, thousands of students, and many different school situations to address important questions such as this one. Some of those meta-analyses are listed below.  My focus is on what is best for high-ability students.

An important question to ask is, “How do accelerated high-ability students compare to non-accelerated students who are equally able?”  In other words, what is lost if we do not allow academically talented students to move ahead as their abilities and motivations would allow?

What we have learned from meta-analyses is that acceleration is a positive, powerful option for talented students. Many of the research studies focused on math-talented students, but many others include accelerated students who are talented in other subjects:

  • These students benefit in significant ways from participating in classes that challenge them at the right level.
  • Math-talented students who are allowed to accelerate retain what they have learned, tend to continue pursuing studies in math and science, pursue more challenging majors and more prestigious careers, and earn more money than comparison students.
  • Accelerated students also tend to generate more creative products such as patents and research articles than non-accelerated equally-able peers.
  • Gifted students are not negatively impacted socially if they are moved up a grade or advanced in a particular subject.
  • Gifted students who accelerate turn out to be higher-achieving, higher-paid adults. In other words, the effects of acceleration are positive, short-term, and long-term.

In my opinion, not allowing academically talented students to move ahead appropriately is educational malpractice, because the evidence is so clear and so positive supporting acceleration.


Assouline, S. G., Colangelo, N., VanTassel-Baska, J., & Lupkowski-Shoplik, A. (2015). A nation empowered: Evidence trumps the excuses holding back America’s brightest students. Iowa City, IA: Connie Belin and Jacqueline N. Blank International Center for Gifted Education and Talent Development.

Assouline, S. G., & Lupkowski-Shoplik, A. (2011). Developing Math Talent (2nd ed.). Waco, TX: Prufrock Press.

Colangelo, N., Assouline, S. G., & Gross, M. U. (2004). A Nation Deceived: How Schools Hold Back America’s Brightest Students. The Templeton National Report on Acceleration. Volume 2. Connie Belin & Jacqueline N. Blank International Center for Gifted Education and Talent Development (NJ1).  See especially the chapter by James Kulik:

Kulik, J. A., & Kulik, C. L. C. (1984). Effects of accelerated instruction on students. Review of educational research, 54(3), 409-425.

Rogers, K. B. (2007). Lessons learned about educating the gifted and talented: A synthesis of the research on educational practice. Gifted child quarterly, 51(4), 382-396.

See for more evidence.

Talent searches help us to learn more about academically talented students and to decide who might benefit from acceleration:


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