Stephens Middle (Data source)
Source data for Stephens 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 | 781227 | 2448 | - | 2552 | = | -104 | * | (252 | / | 737) | = | -35.56037982 | ||
7 | 781228 | 2485 | - | 2567 | = | -82 | * | (244 | / | 737) | = | -27.14789687 | ||
8 | 781231 | 2500 | - | 2586 | = | -86 | * | (241 | / | 737) | = | -28.12211662 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Stephens Middle | -91 |
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 | 24458 | 2463 | - | 2552 | = | -89 | * | (290 | / | 805) | = | -32.06211178 | ||
7 | 24460 | 2464 | - | 2567 | = | -103 | * | (270 | / | 805) | = | -34.54658378 | ||
8 | 24462 | 2523 | - | 2586 | = | -63 | * | (245 | / | 805) | = | -19.17391304 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Stephens Middle | -86 |
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 | 24960 | 2479 | - | 2552 | = | -73 | * | (275 | / | 795) | = | -25.25157228 | ||
7 | 24962 | 2477 | - | 2567 | = | -90 | * | (271 | / | 795) | = | -30.67924527 | ||
8 | 24964 | 2485 | - | 2586 | = | -101 | * | (249 | / | 795) | = | -31.63396225 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Stephens Middle | -88 |
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 | 24983 | 2503 | - | 2552 | = | -49 | * | (250 | / | 770) | = | -15.90909088 | ||
7 | 24984 | 2486 | - | 2567 | = | -81 | * | (264 | / | 770) | = | -27.7714285 | ||
8 | 24986 | 2507 | - | 2586 | = | -79 | * | (256 | / | 770) | = | -26.26493503 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Stephens Middle | -70 |
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 | 25152 | 2498 | - | 2552 | = | -54 | * | (257 | / | 768) | = | -18.07031246 | ||
7 | 25153 | 2508 | - | 2567 | = | -59 | * | (251 | / | 768) | = | -19.28255204 | ||
8 | 25154 | 2514 | - | 2586 | = | -72 | * | (260 | / | 768) | = | -24.37499995 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Stephens Middle | -62 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-91 | -86 | -88 | -70 | -62 | -397.0 | -79.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -43.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -115.4
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 | 93% | 90% | 92% | 90% | 92% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Long Beach Unified school district County of Los Angeles
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Stephens Middle math proficiency
Zero+ meets standard.
81% less $meal
79% less $meal
80% less $meal
76% less $meal
80% 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.