Elderberry Elementary (Data source)
Source data for Elderberry 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 | 2010973 | 2370 | - | 2436 | = | -66 | * | (130 | / | 488) | = | -17.58196717 | ||
| 4 | 2010974 | 2426 | - | 2485 | = | -59 | * | (133 | / | 488) | = | -16.079918 | ||
| 5 | 2010977 | 2444 | - | 2528 | = | -84 | * | (99 | / | 488) | = | -17.04098357 | ||
| 6 | 2010978 | 2473 | - | 2552 | = | -79 | * | (126 | / | 488) | = | -20.39754096 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Elderberry Elementary | -71 | ||||||||||||
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 | 61856 | 2395 | - | 2436 | = | -41 | * | (78 | / | 430) | = | -7.43720927 | ||
| 4 | 61858 | 2444 | - | 2485 | = | -41 | * | (122 | / | 430) | = | -11.63255813 | ||
| 5 | 61861 | 2424 | - | 2528 | = | -104 | * | (131 | / | 430) | = | -31.68372085 | ||
| 6 | 61862 | 2507 | - | 2552 | = | -45 | * | (99 | / | 430) | = | -10.36046511 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Elderberry Elementary | -61 | ||||||||||||
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 | 63646 | 2410 | - | 2436 | = | -26 | * | (122 | / | 464) | = | -6.83620688 | ||
| 4 | 63648 | 2464 | - | 2485 | = | -21 | * | (84 | / | 464) | = | -3.80172412 | ||
| 5 | 63650 | 2465 | - | 2528 | = | -63 | * | (121 | / | 464) | = | -16.42887931 | ||
| 6 | 63652 | 2494 | - | 2552 | = | -58 | * | (137 | / | 464) | = | -17.12499996 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Elderberry Elementary | -44 | ||||||||||||
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 | 63752 | 2424 | - | 2436 | = | -12 | * | (98 | / | 414) | = | -2.8405797 | ||
| 4 | 63753 | 2465 | - | 2485 | = | -20 | * | (116 | / | 414) | = | -5.60386472 | ||
| 5 | 63756 | 2484 | - | 2528 | = | -44 | * | (81 | / | 414) | = | -8.60869561 | ||
| 6 | 63757 | 2500 | - | 2552 | = | -52 | * | (119 | / | 414) | = | -14.94685988 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Elderberry Elementary | -32 | ||||||||||||
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 | 64022 | 2457 | - | 2436 | = | 21 | * | (116 | / | 413) | = | 5.89830507 | ||
| 4 | 64023 | 2482 | - | 2485 | = | -3 | * | (97 | / | 413) | = | -0.70460048 | ||
| 5 | 64024 | 2487 | - | 2528 | = | -41 | * | (115 | / | 413) | = | -11.41646488 | ||
| 6 | 64025 | 2527 | - | 2552 | = | -25 | * | (85 | / | 413) | = | -5.14527845 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Elderberry Elementary | -11 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -71 | -61 | -44 | -32 | -11 | -219.0 | -43.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 25.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -112.8
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 | 91% | 90% | 83% | 76% | 90% |
| 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.
Elderberry Elementary math proficiency
Zero+ meets standard.
84% less $meal
85% less $meal
75% less $meal
72% less $meal
79% 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.