Jefferson Elementary (Data source)
Source data for Jefferson Elementary
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 |
||
| 3 | 755405 | 2394 | - | 2436 | = | -42 | * | (143 | / | 387) | = | -15.51937981 | ||
| 4 | 755406 | 2425 | - | 2485 | = | -60 | * | (121 | / | 387) | = | -18.75968988 | ||
| 5 | 755409 | 2443 | - | 2528 | = | -85 | * | (123 | / | 387) | = | -27.01550385 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Jefferson Elementary | -61 | ||||||||||||
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 |
||
| 3 | 23739 | 2418 | - | 2436 | = | -18 | * | (141 | / | 415) | = | -6.11566265 | ||
| 4 | 23740 | 2444 | - | 2485 | = | -41 | * | (142 | / | 415) | = | -14.02891563 | ||
| 5 | 23743 | 2464 | - | 2528 | = | -64 | * | (132 | / | 415) | = | -20.3566265 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Jefferson Elementary | -41 | ||||||||||||
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 |
||
| 3 | 24234 | 2439 | - | 2436 | = | 3 | * | (146 | / | 416) | = | 1.05288461 | ||
| 4 | 24235 | 2448 | - | 2485 | = | -37 | * | (134 | / | 416) | = | -11.91826921 | ||
| 5 | 24238 | 2503 | - | 2528 | = | -25 | * | (136 | / | 416) | = | -8.1730769 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Jefferson Elementary | -19 | ||||||||||||
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 |
||
| 3 | 24252 | 2433 | - | 2436 | = | -3 | * | (134 | / | 415) | = | -0.9686747 | ||
| 4 | 24254 | 2461 | - | 2485 | = | -24 | * | (147 | / | 415) | = | -8.50120481 | ||
| 5 | 24256 | 2472 | - | 2528 | = | -56 | * | (134 | / | 415) | = | -18.0819277 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Jefferson Elementary | -28 | ||||||||||||
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 |
||
| 3 | 24426 | 2446 | - | 2436 | = | 10 | * | (145 | / | 426) | = | 3.40375586 | ||
| 4 | 24427 | 2469 | - | 2485 | = | -16 | * | (139 | / | 426) | = | -5.22065726 | ||
| 5 | 24428 | 2504 | - | 2528 | = | -24 | * | (142 | / | 426) | = | -7.99999999 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Jefferson Elementary | -10 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -61 | -41 | -19 | -28 | -10 | -159.0 | -31.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 25.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -88.8
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 | 88% | 96% | 96% | 95% | 93% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Lennox 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.
Jefferson Elementary math proficiency
Zero+ meets standard.
86% less $meal
89% less $meal
84% less $meal
88% less $meal
84% 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.
Elementary School (Public) schools in Lennox (5)
| Buford Elementary | Dolores Huerta Elementary | Felton Elementary |
| Jefferson Elementary | Moffett Elementary |