STUDENT GROWTH PERCENTILE
Measuring Student Learning Growth
and
Interpreting the Teacher Report
Diane
Fiello
, Vice President of TCRP
Harris
Luu
, TCRP Leadership Coach
Measuring Student Learning Growth in
The College Ready Promise Schools:
Our Objectives
1.
Review the TCRP theoretical framework?
2.
What are multiple measure and how is it
used to assess teacher performance?
3.
How can student learning growth be
measured?
4.
How will
The College Ready Promise
report
student, teacher and school learning (reading
and interpreting the teacher report)?
TCRP Theoretical Framework
3
Effective Principals
•
Support
•
Evaluate
Effective Teachers
•
Recruit
•
Support
•
Evaluate
•
Compensate
Increase
Student
Achievement
Data Systems
Multiple Measures of Teacher Effectiveness
4
Observation
of Teacher
Practice, 40%
Parent and
Family
Feedback,
10%
Student
Feedback ,
10%
Individual
Teacher SGP,
30%
School

Wide
Subject SGP,
10%
Observation of
Teacher
Practice, 50%
Parent and
Family
Feedback, 10%
Student
Feedback , 10%
School

Wide
ELA SGP, 25%
School

Wide
Math SGP, 5%
CST

Tested Subjects
Non

CST

Tested Subjects
What is Student Learning Growth?
270
299
349
400
Far Below Basic
150
Below Basic
Basic
Proficient
Advanced
600
Grade 6
Grade 7
CST ELA SCALE SCORE
305
322
Grade 8
345
17
23
•
Achievement
results tell us what each student
knows at a single point in time.
•
Student learning growth
tells us how much each
student progresses from one year to the next.
•
Both types of information are important.
How is Learning Growth Being
Measured Across the United States?
Growth to Standard Models
How much do students need to grow each year to
reach Proficiency
Value

added Models
Did the school or teacher cause an amount of
learning growth that is statistically above, at, or below
expectation
Student Growth Percentile Models
How much do students grow compared to similar
students
What
are Student Growth Percentiles?
•
measure how much a student has learned
from one year to the next compared to
other students with similar test scores
•
expressed as a percentile from 1 to 99
330
270
299
349
400
Far Below Basic
150
Below Basic
Basic
Proficient
Advanced
600
Grade 6
Grade 7
CST ELA SCALE SCORE
Student Growth Percentile Example (Elijah)
305
60%
40%
SGP
99
50
1
SGP = 60
Similar Students
270
299
349
400
Far Below Basic
150
Below Basic
Basic
Proficient
Advanced
600
Grade 6
Grade 7
CST ELA SCALE SCORE
Student Growth Percentile Example (Rosa)
385
91%
SGP
99
50
1
SGP = 9
352
9%
Similar Students
270
299
349
400
Far Below Basic
150
Below Basic
Basic
Proficient
Advanced
600
Grade 6
Grade 7
CST ELA SCALE SCORE
Student Growth Percentile Example (Jimmy)
186
83%
SGP = 83
273
Similar Students
17%
Key Concepts about Measuring Growth
1.
Growth is
distinct from achievement
A student can achieve at a low level but grow quickly, and
vice versa (Jimmy, Rosa, Elijah)
2.
Each student is compared only to their
academic
peers (students with similar achievement levels)
The comparison base for TCRP is all 2
nd
to 11
th
grade
students in TCRP & LAUSD
3.
Demographic variables, socio

economic status
and initial achievement have virtually no impact
on student growth results.
Reporting SGPs for Groups
Last name
SGP
Hernandez
21
Bing
24
Johnson
27
Harrison
32
Morales
34
Portis
47
Jackson
55
Stills
61
Lund
63
Hershberg
74
James
81
Andres
88
Sims
95
•
Imagine that the list of
students to the left are all
the students in your 7th
grade class.
•
Note that the SGPs are
sorted from lowest to
highest.
•
The point where 50% of
students have a higher
SGP, and 50% have a
lower SGP is the
median.
•
Median SGP for this
7th grade class is
55.
Practice
Find the median SGP of the following group of students.
First name SGP
Joey
7
Mariell
8
Bella
14
Bianca
32
Jordon
40
Veronica
51
Noe
56
Jorge
61
Linda
63
Victor
71
James
80
Angela
88
Dionne
89
Araceli
92
Hint: Place the scores from lowest to highest. If the middle number is the
“median”. If there is an even number of scores, take mean/ average of the 2
middle scores.
Rubric Score
Student Growth Percentile
Ranges
4
70

100%
3
50

69.9%
2
35

49.9%
1
0

34.9%
Teacher Effectiveness Rubric Scores
Ranges for teacher SGP used to determine teacher effectiveness levels were
selected based on statistical
evaluation.
Reading the Teacher Report
•
To gain a better understanding of how to read
the Teacher Report
•
To analyze the data
•
To interpret the data
•
To make decisions based on the data
Objectives
School and Department Means
Criteria for Valid Scores
Scatterplot
Student Roster
Four Components of the Teacher Report
School and Department
Medians
All Subjects
History
All Subjects
Math
School Median SGP
56.5
53
Criteria for Valid Scores
Annual
SGP
Validity
Number
of
Students
Number of
Students
with 120+
Days
Teacher
Days
All
Criteria
Met?
Teacher
Median
SGP
Criteria
25 or more
25 or more
75% or
more
Actual
70
65
Yes
Yes
53
Scatterplot
SGP = 4
CST = 219
SGP = 5
CST = 233
SGP = 99
CST = 430
Scatterplot
Practice
Student Roster
FIRST NAME
LAST NAME
SUBJECT
SGP
SCALED SCORE
PROF LEVEL
VALID?
Noe
Algebra I
99
430
Advanced
Yes
Ruby
Algebra I
99
430
Advanced
Yes
Cindy
Algebra I
97
361
Proficient
Yes
Ruben
Algebra I
95
361
Proficient
Yes
Lorraine
Algebra I
94
342
Basic
Yes
Joseph
Algebra I
93
366
Proficient
Yes
Jonathan
Algebra I
91
454
Advanced
Yes
Alexandra
Algebra I
87
511
Advanced
Yes
Milvia
Algebra I
87
304
Basic
Yes
Juan
Algebra I
86
528
Advanced
Yes
Miriam
Algebra I
86
398
Proficient
Yes
Pedro
Algebra I
85
323
Basic
Yes
Jonathan
Algebra I
85
313
Basic
Yes
Violeta
Algebra I
84
279
Below Basic
Yes
Fernando
Algebra I
81
346
Basic
Yes
Leticia
Algebra I
81
289
Below Basic
Yes
Daysha
Algebra I
81
279
Below Basic
Yes
Johnathan
Algebra I
77
342
Basic
Yes
Angelica
Algebra I
76
423
Proficient
Yes
Octabio
Algebra I
76
284
Below Basic
Yes
Marco
Algebra I
72
430
Advanced
Yes
Cinthia
Algebra I
71
361
Proficient
Yes
Miriam
Algebra I
71
337
Basic
No
Lezze
Algebra I
70
366
Proficient
Yes
Ernest
Algebra I
70
284
Below Basic
Yes
Deon
Algebra I
70
274
Below Basic
Yes
Darnesha
Algebra I
68
279
Below Basic
Yes
Ashley
Algebra I
67
279
Below Basic
Yes
Kebin
Algebra I
66
299
Below Basic
No
David
Algebra I
65
327
Basic
Yes
Grace
Algebra I
60
416
Proficient
Yes
Esmeralda
Algebra I
58
289
Below Basic
Yes
Fabiola
Algebra I
58
289
Below Basic
Yes
Maria
Algebra I
54
366
Proficient
Yes
Measuring Student Learning Growth in
The College Ready Promise Schools:
Reviewing Objectives
1.
The TCRP theoretical framework has a goal of improving
student achievement.
2.
The multiple measures used to assess teacher performance
are SGP, teacher practice, student feedback, and family
feedback.
3.
S
tudent learning growth is measured by SGP (student growth
percentiles)
4.
SGP is growth measured with a cohort of academic peers
from one year to the next, using CST results.
5.
The College Ready Promise
reports includes 4 elements:
school and department means, valid scores, a scatter plot,
and student roster
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