Cimarron Elementary (Data source)
Source data for Cimarron 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 | 1064068 | 2389 | - | 2436 | = | -47 | * | (98 | / | 435) | = | -10.58850573 | ||
| 4 | 1064071 | 2457 | - | 2485 | = | -28 | * | (115 | / | 435) | = | -7.40229885 | ||
| 5 | 1064072 | 2462 | - | 2528 | = | -66 | * | (108 | / | 435) | = | -16.38620689 | ||
| 6 | 1064075 | 2507 | - | 2552 | = | -45 | * | (114 | / | 435) | = | -11.79310343 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Cimarron Elementary | -46 | ||||||||||||
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 | 33380 | 2390 | - | 2436 | = | -46 | * | (91 | / | 391) | = | -10.70588231 | ||
| 4 | 33381 | 2450 | - | 2485 | = | -35 | * | (90 | / | 391) | = | -8.05626598 | ||
| 5 | 33384 | 2448 | - | 2528 | = | -80 | * | (108 | / | 391) | = | -22.09718664 | ||
| 6 | 33386 | 2503 | - | 2552 | = | -49 | * | (102 | / | 391) | = | -12.78260869 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Cimarron Elementary | -54 | ||||||||||||
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 | 33969 | 2400 | - | 2436 | = | -36 | * | (95 | / | 377) | = | -9.071618 | ||
| 4 | 33970 | 2437 | - | 2485 | = | -48 | * | (91 | / | 377) | = | -11.58620688 | ||
| 5 | 33973 | 2447 | - | 2528 | = | -81 | * | (91 | / | 377) | = | -19.55172411 | ||
| 6 | 33975 | 2482 | - | 2552 | = | -70 | * | (100 | / | 377) | = | -18.56763923 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Cimarron Elementary | -59 | ||||||||||||
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 | 33979 | 2409 | - | 2436 | = | -27 | * | (78 | / | 257) | = | -8.19455252 | ||
| 4 | 33980 | 2448 | - | 2485 | = | -37 | * | (92 | / | 257) | = | -13.24513616 | ||
| 5 | 33983 | 2439 | - | 2528 | = | -89 | * | (87 | / | 257) | = | -30.1284046 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Cimarron Elementary | -52 | ||||||||||||
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 | 34160 | 2413 | - | 2436 | = | -23 | * | (94 | / | 261) | = | -8.28352489 | ||
| 4 | 34161 | 2461 | - | 2485 | = | -24 | * | (75 | / | 261) | = | -6.8965517 | ||
| 5 | 34162 | 2465 | - | 2528 | = | -63 | * | (92 | / | 261) | = | -22.20689652 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Cimarron Elementary | -37 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -46 | -54 | -59 | -52 | -37 | -248.0 | -49.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -25.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -73.6
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 | 86% | 86% | 85% | 85% | 87% |
| 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.
Cimarron Elementary math proficiency
Zero+ meets standard.
70% less $meal
73% less $meal
70% less $meal
75% less $meal
74% 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.