Topaz Elementary (Data source)
Source data for Topaz 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 | 1529196 | 2426 | - | 2436 | = | -10 | * | (62 | / | 283) | = | -2.19081272 | ||
| 4 | 1529199 | 2462 | - | 2485 | = | -23 | * | (76 | / | 283) | = | -6.17667843 | ||
| 5 | 1529200 | 2498 | - | 2528 | = | -30 | * | (66 | / | 283) | = | -6.99646641 | ||
| 6 | 1529203 | 2539 | - | 2552 | = | -13 | * | (79 | / | 283) | = | -3.62897526 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Topaz Elementary | -19 | ||||||||||||
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 | 47876 | 2414 | - | 2436 | = | -22 | * | (73 | / | 270) | = | -5.94814814 | ||
| 4 | 47878 | 2485 | - | 2485 | = | 0 | * | (62 | / | 270) | = | 0.0 | ||
| 5 | 47881 | 2515 | - | 2528 | = | -13 | * | (69 | / | 270) | = | -3.32222222 | ||
| 6 | 47883 | 2538 | - | 2552 | = | -14 | * | (66 | / | 270) | = | -3.42222222 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Topaz Elementary | -13 | ||||||||||||
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 | 49181 | 2432 | - | 2436 | = | -4 | * | (70 | / | 274) | = | -1.02189781 | ||
| 4 | 49183 | 2449 | - | 2485 | = | -36 | * | (63 | / | 274) | = | -8.27737225 | ||
| 5 | 49184 | 2510 | - | 2528 | = | -18 | * | (70 | / | 274) | = | -4.59854014 | ||
| 6 | 49186 | 2548 | - | 2552 | = | -4 | * | (71 | / | 274) | = | -1.03649635 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Topaz Elementary | -15 | ||||||||||||
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 | 49202 | 2409 | - | 2436 | = | -27 | * | (82 | / | 294) | = | -7.53061223 | ||
| 4 | 49205 | 2466 | - | 2485 | = | -19 | * | (75 | / | 294) | = | -4.84693876 | ||
| 5 | 49206 | 2471 | - | 2528 | = | -57 | * | (72 | / | 294) | = | -13.95918366 | ||
| 6 | 49209 | 2548 | - | 2552 | = | -4 | * | (65 | / | 294) | = | -0.88435374 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Topaz Elementary | -27 | ||||||||||||
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 | 49402 | 2413 | - | 2436 | = | -23 | * | (73 | / | 299) | = | -5.61538461 | ||
| 4 | 49403 | 2450 | - | 2485 | = | -35 | * | (81 | / | 299) | = | -9.48160535 | ||
| 5 | 49404 | 2482 | - | 2528 | = | -46 | * | (73 | / | 299) | = | -11.23076922 | ||
| 6 | 49405 | 2526 | - | 2552 | = | -26 | * | (72 | / | 299) | = | -6.26086955 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Topaz Elementary | -33 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -19 | -13 | -15 | -27 | -33 | -107.0 | -21.4 |
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: -45.4
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 | 94% | 92% | 88% | 88% | 93% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Placentia-Yorba Linda Unified school district | County of Orange
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.
Topaz Elementary math proficiency
Zero+ meets standard.
82% less $meal
83% less $meal
81% less $meal
82% less $meal
88% 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.