McKinley Elementary (Data source)
Source data for McKinley 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 | 1194557 | 2445 | - | 2436 | = | 9 | * | (112 | / | 341) | = | 2.95601172 | ||
| 4 | 1194558 | 2465 | - | 2485 | = | -20 | * | (109 | / | 341) | = | -6.39296186 | ||
| 5 | 1194561 | 2490 | - | 2528 | = | -38 | * | (120 | / | 341) | = | -13.372434 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for McKinley Elementary | -17 | ||||||||||||
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 | 37146 | 2459 | - | 2436 | = | 23 | * | (78 | / | 309) | = | 5.80582523 | ||
| 4 | 37147 | 2491 | - | 2485 | = | 6 | * | (119 | / | 309) | = | 2.31067961 | ||
| 5 | 37150 | 2505 | - | 2528 | = | -23 | * | (112 | / | 309) | = | -8.33656956 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for McKinley Elementary | 0 | ||||||||||||
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 | 37939 | 2450 | - | 2436 | = | 14 | * | (112 | / | 319) | = | 4.91536049 | ||
| 4 | 37941 | 2504 | - | 2485 | = | 19 | * | (84 | / | 319) | = | 5.0031348 | ||
| 5 | 37944 | 2522 | - | 2528 | = | -6 | * | (123 | / | 319) | = | -2.31347962 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for McKinley Elementary | 8 | ||||||||||||
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 | 37883 | 2447 | - | 2436 | = | 11 | * | (92 | / | 290) | = | 3.48965517 | ||
| 4 | 37885 | 2495 | - | 2485 | = | 10 | * | (117 | / | 290) | = | 4.03448275 | ||
| 5 | 37887 | 2524 | - | 2528 | = | -4 | * | (81 | / | 290) | = | -1.11724138 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for McKinley Elementary | 6 | ||||||||||||
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 | 38092 | 2462 | - | 2436 | = | 26 | * | (83 | / | 295) | = | 7.31525423 | ||
| 4 | 38093 | 2502 | - | 2485 | = | 17 | * | (96 | / | 295) | = | 5.53220338 | ||
| 5 | 38094 | 2522 | - | 2528 | = | -6 | * | (116 | / | 295) | = | -2.35932203 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for McKinley Elementary | 10 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -17 | 0 | 8 | 6 | 10 | 7.0 | 1.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 37.75
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -34.25
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 | 74% | 70% | 69% | 74% | 72% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
San Gabriel 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.
McKinley Elementary math proficiency
Zero+ meets standard.
56% less $meal
52% less $meal
50% less $meal
60% 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 San Gabriel Unified (5)
| Coolidge Elementary | McKinley Elementary | Roosevelt Elementary |
| Washington Elementary | Wilson Elementary |