Sultana Elementary (Data source)
Source data for Sultana 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 | 2015032 | 2369 | - | 2436 | = | -67 | * | (121 | / | 472) | = | -17.17584744 | ||
| 4 | 2015033 | 2410 | - | 2485 | = | -75 | * | (107 | / | 472) | = | -17.00211863 | ||
| 5 | 2015036 | 2454 | - | 2528 | = | -74 | * | (117 | / | 472) | = | -18.34322027 | ||
| 6 | 2015037 | 2455 | - | 2552 | = | -97 | * | (127 | / | 472) | = | -26.09957621 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Sultana Elementary | -79 | ||||||||||||
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 | 61979 | 2398 | - | 2436 | = | -38 | * | (85 | / | 435) | = | -7.42528732 | ||
| 4 | 61980 | 2424 | - | 2485 | = | -61 | * | (119 | / | 435) | = | -16.6873563 | ||
| 5 | 61983 | 2447 | - | 2528 | = | -81 | * | (112 | / | 435) | = | -20.85517238 | ||
| 6 | 61984 | 2489 | - | 2552 | = | -63 | * | (119 | / | 435) | = | -17.23448273 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Sultana Elementary | -62 | ||||||||||||
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 | 63768 | 2414 | - | 2436 | = | -22 | * | (84 | / | 395) | = | -4.67848099 | ||
| 4 | 63771 | 2438 | - | 2485 | = | -47 | * | (83 | / | 395) | = | -9.87594935 | ||
| 5 | 63772 | 2478 | - | 2528 | = | -50 | * | (115 | / | 395) | = | -14.556962 | ||
| 6 | 63774 | 2483 | - | 2552 | = | -69 | * | (113 | / | 395) | = | -19.73924048 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Sultana Elementary | -49 | ||||||||||||
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 | 63874 | 2448 | - | 2436 | = | 12 | * | (90 | / | 378) | = | 2.85714286 | ||
| 4 | 63875 | 2451 | - | 2485 | = | -34 | * | (82 | / | 378) | = | -7.37566134 | ||
| 5 | 63878 | 2474 | - | 2528 | = | -54 | * | (88 | / | 378) | = | -12.57142853 | ||
| 6 | 63879 | 2507 | - | 2552 | = | -45 | * | (118 | / | 378) | = | -14.04761904 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Sultana Elementary | -31 | ||||||||||||
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 | 64146 | 2430 | - | 2436 | = | -6 | * | (94 | / | 349) | = | -1.61604584 | ||
| 4 | 64147 | 2473 | - | 2485 | = | -12 | * | (88 | / | 349) | = | -3.02578796 | ||
| 5 | 64148 | 2466 | - | 2528 | = | -62 | * | (85 | / | 349) | = | -15.1002865 | ||
| 6 | 64149 | 2528 | - | 2552 | = | -24 | * | (82 | / | 349) | = | -5.63896848 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Sultana Elementary | -25 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -79 | -62 | -49 | -31 | -25 | -246.0 | -49.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 16.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -115.2
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% | 86% | 87% | 84% | 93% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Ontario-Montclair school district | County of San Bernardino
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.
Sultana Elementary math proficiency
Zero+ meets standard.
82% less $meal
80% less $meal
79% less $meal
80% less $meal
81% 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.