Teacher quality
is one of the foremost important things in education. Here's how an honest
teacher can change our measures.
Countries
around the world are committing immense resources to middle and grade school
reform and education outcome improvements. Globally, a trillion dollars are
spent on education reform within the last 10 years. The main target of such
reform has been variables like student incentive, school accountability,
charter schools movement, standardized testing, smaller classrooms, curriculum
development, technology in classrooms, etc. However, any school reform would be
a futile exercise without highlighting one of the strongest variables in
student performance - teacher quality.
Impact of an
honest teacher on educational outcomes research indicates that an educator with
high value-add over years features a high correlation of conceptual
understanding of her/his students (Gates Foundation, 2010).
A bottom quartile
teacher and a top-quartile teacher can create a lead of 10 percentile points in
a mean student during a single year (Gordon et al, 2006).
A good teacher
also has a tremendous impact on the value which will be earned by a student. If the bottom quarter of bad teachers were
eliminated, student grades would increase by 14 percent.
And after 12
years of schooling, the scholar has a further earning potential of $72,000 to
$169,000 (Gordon et al, 2006).
Good Teacher Vs. Bad Teacher
Traditionally,
an honest teacher was identified together with the proper qualifications,
educational credentials, and requisite certifications. This credential-centered
approach is predicated on the premise that teacher effectiveness is directly
correlated to paper qualifications.
However, a significant study in more than
9,400 classrooms and 150,000 students over three years showed that despite the
statistical examination results, there was no significant difference in student
performance between certified and non-certified teachers (Gordon et al., 2006).
However,
significant differences in student performance were found between certified and
non-certified teachers. The difference between 75th percentile and 50th
percentile teachers in any group of teachers (certified or not) is five times
larger due to the difference between certified and non-certified teachers.
Thus, a
teacher’s effectiveness isn't correlated to his/her paper qualifications but
rather to traits and competencies the teacher possesses.
How to predict if an educator is going to be good or not
There are no
simple way to predicting a teacher’s effectiveness. As per the Gates
Foundation, a teacher’s past years ‘value-add’ is one of the strongest
predictors of student achievement gains in other classes and academic years.
Gordon et al.
(2006) also propound that the teacher’s performance (in terms of useful
add/student achievement) within the first two years more accurately predicts
the teacher’s performance within the subsequent years.
There also are
interesting studies of some traits that enable teachers to exhibit higher
value-add within the first two years. Gladwell (2008) indicates that prime
performing teachers have some unique classroom management traits.
Doug Lemov
(feels that an honest teacher has three strong traits that set her/him aside
from a mean teacher subject understanding, methods of teaching (classroom
management), and subject knowledge for teaching (subject-specific classroom
management).
In a two-year study
of classrooms across the USA, Lemov identified 49 key classroom management
traits that enable an educator to supply better value-add to her/his students.
These traits aren't subject-specific.
Thus, an
educator with average domain/subject understanding but superior classroom
management techniques can deliver superior value-add as compared to an educator
with superior domain understanding but average classroom management techniques.
Thus, the sole
accurate way to assessing teacher effectiveness are to measure the value-add of
teachers within the first two years and not before hiring (Gordon et al, 2006).
A better
approach would be to possess an open system where any college degree graduate
with a pulse for teaching is allowed to teach; she/he should be observed and
mentored for the primary two years before being awarded tenure (Gladwell,
2008).
The current
system of awarding tenure to all or any teachers regardless of their value-add
should be slowly phased out. The highest quartile of teachers must be rewarded
while rock bottom quartile teachers must be removed from the schooling system
within the interest of youngsters and therefore the society at large.
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