Parras (Nick G.) Middle (Data source)
Source data for Parras (Nick G.) Middle
2015
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
6 | 1205185 | 2564 | - | 2552 | = | 12 | * | (354 | / | 1083) | = | 3.92243767 | ||
7 | 1205186 | 2575 | - | 2567 | = | 8 | * | (361 | / | 1083) | = | 2.66666666 | ||
8 | 1205189 | 2588 | - | 2586 | = | 2 | * | (368 | / | 1083) | = | 0.67959372 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Parras (Nick G.) Middle | 7 |
2016
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
6 | 37493 | 2570 | - | 2552 | = | 18 | * | (380 | / | 1099) | = | 6.22383984 | ||
7 | 37496 | 2585 | - | 2567 | = | 18 | * | (366 | / | 1099) | = | 5.99454049 | ||
8 | 37498 | 2619 | - | 2586 | = | 33 | * | (353 | / | 1099) | = | 10.599636 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Parras (Nick G.) Middle | 23 |
2017
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
6 | 38316 | 2604 | - | 2552 | = | 52 | * | (409 | / | 1165) | = | 18.25579397 | ||
7 | 38317 | 2594 | - | 2567 | = | 27 | * | (393 | / | 1165) | = | 9.10815449 | ||
8 | 38319 | 2616 | - | 2586 | = | 30 | * | (363 | / | 1165) | = | 9.34763946 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Parras (Nick G.) Middle | 37 |
2018
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
6 | 38285 | 2591 | - | 2552 | = | 39 | * | (399 | / | 1210) | = | 12.86033057 | ||
7 | 38287 | 2626 | - | 2567 | = | 59 | * | (421 | / | 1210) | = | 20.52809916 | ||
8 | 38289 | 2636 | - | 2586 | = | 50 | * | (390 | / | 1210) | = | 16.11570245 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Parras (Nick G.) Middle | 50 |
2019
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
6 | 38488 | 2621 | - | 2552 | = | 69 | * | (420 | / | 1250) | = | 23.184 | ||
7 | 38489 | 2619 | - | 2567 | = | 52 | * | (409 | / | 1250) | = | 17.0144 | ||
8 | 38490 | 2646 | - | 2586 | = | 60 | * | (421 | / | 1250) | = | 20.208 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Parras (Nick G.) Middle | 60 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
7 | 23 | 37 | 50 | 60 | 177.0 | 35.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 98.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -27.6
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
2015 | 2016 | 2017 | 2018 | 2019 | |
---|---|---|---|---|---|
Percent | 12% | 11% | 9% | 12% | 13% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Redondo Beach Unified school district | County of Los Angeles
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Parras (Nick G.) Middle math proficiency
Zero+ meets standard.

10% less $meal

8% less $meal

7% less $meal

11% less $meal

11% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.
Intermediate/Middle Schools (Public) schools in Redondo Beach Unified (2)
Adams Middle | Parras (Nick G.) Middle |