Garden Grove Elementary (Data source)
Source data for Garden Grove 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 | 3136860 | 2427 | - | 2436 | = | -9 | * | (71 | / | 235) | = | -2.71914893 | ||
| 4 | 3136863 | 2473 | - | 2485 | = | -12 | * | (53 | / | 235) | = | -2.70638297 | ||
| 5 | 3136864 | 2502 | - | 2528 | = | -26 | * | (52 | / | 235) | = | -5.75319147 | ||
| 6 | 3136867 | 2529 | - | 2552 | = | -23 | * | (59 | / | 235) | = | -5.77446807 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Garden Grove 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 | 96722 | 2429 | - | 2436 | = | -7 | * | (51 | / | 226) | = | -1.57964601 | ||
| 4 | 96725 | 2463 | - | 2485 | = | -22 | * | (71 | / | 226) | = | -6.91150442 | ||
| 5 | 96727 | 2494 | - | 2528 | = | -34 | * | (56 | / | 226) | = | -8.42477874 | ||
| 6 | 96728 | 2503 | - | 2552 | = | -49 | * | (48 | / | 226) | = | -10.40707962 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Garden Grove Elementary | -27 | ||||||||||||
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 | 99524 | 2429 | - | 2436 | = | -7 | * | (52 | / | 217) | = | -1.67741935 | ||
| 4 | 99526 | 2470 | - | 2485 | = | -15 | * | (55 | / | 217) | = | -3.80184332 | ||
| 5 | 99528 | 2506 | - | 2528 | = | -22 | * | (70 | / | 217) | = | -7.09677419 | ||
| 6 | 99529 | 2527 | - | 2552 | = | -25 | * | (40 | / | 217) | = | -4.60829493 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Garden Grove Elementary | -17 | ||||||||||||
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 | 99682 | 2435 | - | 2436 | = | -1 | * | (46 | / | 175) | = | -0.26285714 | ||
| 4 | 99684 | 2464 | - | 2485 | = | -21 | * | (46 | / | 175) | = | -5.51999998 | ||
| 5 | 99686 | 2486 | - | 2528 | = | -42 | * | (55 | / | 175) | = | -13.19999999 | ||
| 6 | 99688 | 2530 | - | 2552 | = | -22 | * | (28 | / | 175) | = | -3.52 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Garden Grove Elementary | -23 | ||||||||||||
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 | 100348 | 2440 | - | 2436 | = | 4 | * | (48 | / | 166) | = | 1.1566265 | ||
| 4 | 100349 | 2482 | - | 2485 | = | -3 | * | (51 | / | 166) | = | -0.92168675 | ||
| 5 | 100350 | 2503 | - | 2528 | = | -25 | * | (46 | / | 166) | = | -6.92771083 | ||
| 6 | 100351 | 2538 | - | 2552 | = | -14 | * | (21 | / | 166) | = | -1.77108434 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Garden Grove Elementary | -8 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -17 | -27 | -17 | -23 | -8 | -92.0 | -18.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 2.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -39.4
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 | 35% | 35% | 34% | 45% | 42% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Simi Valley Unified school district County of Ventura
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Garden Grove Elementary math proficiency
Zero+ meets standard.
26% less $meal
28% less $meal
25% less $meal
37% less $meal
33% 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.