Lennox Middle (Data source)
Source data for Lennox 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 | 755864 | 2472 | - | 2552 | = | -80 | * | (471 | / | 1534) | = | -24.56323336 | ||
| 7 | 755867 | 2486 | - | 2567 | = | -81 | * | (504 | / | 1534) | = | -26.61277704 | ||
| 8 | 755868 | 2506 | - | 2586 | = | -80 | * | (559 | / | 1534) | = | -29.15254232 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Lennox Middle | -80 | ||||||||||||
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 | 23755 | 2450 | - | 2552 | = | -102 | * | (492 | / | 1456) | = | -34.46703287 | ||
| 7 | 23756 | 2475 | - | 2567 | = | -92 | * | (473 | / | 1456) | = | -29.8873626 | ||
| 8 | 23759 | 2496 | - | 2586 | = | -90 | * | (491 | / | 1456) | = | -30.35027466 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Lennox Middle | -95 | ||||||||||||
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 | 24249 | 2457 | - | 2552 | = | -95 | * | (500 | / | 1448) | = | -32.80386737 | ||
| 7 | 24252 | 2484 | - | 2567 | = | -83 | * | (477 | / | 1448) | = | -27.34185079 | ||
| 8 | 24253 | 2487 | - | 2586 | = | -99 | * | (471 | / | 1448) | = | -32.20234806 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Lennox Middle | -92 | ||||||||||||
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 | 24269 | 2460 | - | 2552 | = | -92 | * | (491 | / | 1473) | = | -30.66666664 | ||
| 7 | 24271 | 2488 | - | 2567 | = | -79 | * | (505 | / | 1473) | = | -27.08418193 | ||
| 8 | 24273 | 2490 | - | 2586 | = | -96 | * | (477 | / | 1473) | = | -31.08757632 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Lennox Middle | -89 | ||||||||||||
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 | 24442 | 2484 | - | 2552 | = | -68 | * | (507 | / | 1484) | = | -23.23180587 | ||
| 7 | 24443 | 2514 | - | 2567 | = | -53 | * | (483 | / | 1484) | = | -17.24999999 | ||
| 8 | 24444 | 2518 | - | 2586 | = | -68 | * | (494 | / | 1484) | = | -22.6361186 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Lennox Middle | -63 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -80 | -95 | -92 | -89 | -63 | -419.0 | -83.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -47.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -119.8
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 | 90% | 96% | 96% | 97% | 95% |
| 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.
Lennox Middle math proficiency
Zero+ meets standard.
87% less $meal
87% less $meal
84% less $meal
89% less $meal
86% 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 Lennox (1)
| Lennox Middle |