Jessie Nelson Academy (Data source)
Source data for Jessie Nelson Academy
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 | 775766 | 2484 | - | 2552 | = | -68 | * | (256 | / | 864) | = | -20.14814813 | ||
| 7 | 775767 | 2502 | - | 2567 | = | -65 | * | (288 | / | 864) | = | -21.66666665 | ||
| 8 | 775770 | 2513 | - | 2586 | = | -73 | * | (320 | / | 864) | = | -27.03703701 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Jessie Nelson Academy | -69 | ||||||||||||
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 | 24317 | 2497 | - | 2552 | = | -55 | * | (253 | / | 791) | = | -17.59165612 | ||
| 7 | 24319 | 2500 | - | 2567 | = | -67 | * | (254 | / | 791) | = | -21.51453851 | ||
| 8 | 24320 | 2521 | - | 2586 | = | -65 | * | (284 | / | 791) | = | -23.33754735 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Jessie Nelson Academy | -62 | ||||||||||||
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 | 24818 | 2509 | - | 2552 | = | -43 | * | (249 | / | 778) | = | -13.76221076 | ||
| 7 | 24819 | 2510 | - | 2567 | = | -57 | * | (274 | / | 778) | = | -20.07455007 | ||
| 8 | 24822 | 2537 | - | 2586 | = | -49 | * | (255 | / | 778) | = | -16.0604113 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Jessie Nelson Academy | -50 | ||||||||||||
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 | 24840 | 2522 | - | 2552 | = | -30 | * | (278 | / | 780) | = | -10.69230768 | ||
| 7 | 24842 | 2529 | - | 2567 | = | -38 | * | (244 | / | 780) | = | -11.88717946 | ||
| 8 | 24844 | 2539 | - | 2586 | = | -47 | * | (258 | / | 780) | = | -15.54615381 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Jessie Nelson Academy | -38 | ||||||||||||
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 | 25010 | 2525 | - | 2552 | = | -27 | * | (259 | / | 795) | = | -8.7962264 | ||
| 7 | 25011 | 2534 | - | 2567 | = | -33 | * | (292 | / | 795) | = | -12.1207547 | ||
| 8 | 25012 | 2556 | - | 2586 | = | -30 | * | (244 | / | 795) | = | -9.20754714 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Jessie Nelson Academy | -30 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -69 | -62 | -50 | -38 | -30 | -249.0 | -49.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -1.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -97.8
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 | 89% | 86% | 91% | 88% | 89% |
| 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: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Jessie Nelson Academy math proficiency
Zero+ meets standard.
77% less $meal
75% less $meal
79% less $meal
77% 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.