Summerwind Elementary (Data source)
Source data for Summerwind 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 | 1062876 | 2370 | - | 2436 | = | -66 | * | (117 | / | 521) | = | -14.82149711 | ||
| 4 | 1062879 | 2399 | - | 2485 | = | -86 | * | (128 | / | 521) | = | -21.12859877 | ||
| 5 | 1062880 | 2427 | - | 2528 | = | -101 | * | (141 | / | 521) | = | -27.3339731 | ||
| 6 | 1062883 | 2461 | - | 2552 | = | -91 | * | (135 | / | 521) | = | -23.57965446 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Summerwind Elementary | -87 | ||||||||||||
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 | 33345 | 2394 | - | 2436 | = | -42 | * | (109 | / | 506) | = | -9.0474308 | ||
| 4 | 33347 | 2402 | - | 2485 | = | -83 | * | (126 | / | 506) | = | -20.66798413 | ||
| 5 | 33350 | 2412 | - | 2528 | = | -116 | * | (133 | / | 506) | = | -30.49011848 | ||
| 6 | 33352 | 2477 | - | 2552 | = | -75 | * | (138 | / | 506) | = | -20.4545454 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Summerwind Elementary | -81 | ||||||||||||
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 | 33935 | 2378 | - | 2436 | = | -58 | * | (106 | / | 488) | = | -12.59836061 | ||
| 4 | 33937 | 2410 | - | 2485 | = | -75 | * | (134 | / | 488) | = | -20.59426223 | ||
| 5 | 33938 | 2415 | - | 2528 | = | -113 | * | (128 | / | 488) | = | -29.63934415 | ||
| 6 | 33940 | 2458 | - | 2552 | = | -94 | * | (120 | / | 488) | = | -23.11475407 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Summerwind Elementary | -86 | ||||||||||||
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 | 33948 | 2369 | - | 2436 | = | -67 | * | (120 | / | 381) | = | -21.10236214 | ||
| 4 | 33950 | 2413 | - | 2485 | = | -72 | * | (119 | / | 381) | = | -22.48818898 | ||
| 5 | 33952 | 2439 | - | 2528 | = | -89 | * | (142 | / | 381) | = | -33.17060367 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Summerwind Elementary | -77 | ||||||||||||
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 | 34130 | 2394 | - | 2436 | = | -42 | * | (123 | / | 378) | = | -13.66666665 | ||
| 4 | 34131 | 2422 | - | 2485 | = | -63 | * | (133 | / | 378) | = | -22.16666661 | ||
| 5 | 34132 | 2440 | - | 2528 | = | -88 | * | (122 | / | 378) | = | -28.40211634 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Summerwind Elementary | -64 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -87 | -81 | -86 | -77 | -64 | -395.0 | -79.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -52.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -106.0
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 | 77% | 82% | 80% | 83% | 82% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Palmdale Elementary 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.
Summerwind Elementary math proficiency
Zero+ meets standard.
67% less $meal
71% less $meal
71% less $meal
78% less $meal
75% 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.