Van Buren Elementary (Data source)
Source data for Van Buren 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 | 1527410 | 2430 | - | 2436 | = | -6 | * | (80 | / | 329) | = | -1.45896656 | ||
| 4 | 1527413 | 2502 | - | 2485 | = | 17 | * | (79 | / | 329) | = | 4.08206686 | ||
| 5 | 1527414 | 2517 | - | 2528 | = | -11 | * | (78 | / | 329) | = | -2.60790273 | ||
| 6 | 1527417 | 2543 | - | 2552 | = | -9 | * | (92 | / | 329) | = | -2.51671732 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Van Buren Elementary | -3 | ||||||||||||
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 | 47827 | 2430 | - | 2436 | = | -6 | * | (110 | / | 335) | = | -1.97014925 | ||
| 4 | 47828 | 2485 | - | 2485 | = | 0 | * | (77 | / | 335) | = | 0.0 | ||
| 5 | 47830 | 2532 | - | 2528 | = | 4 | * | (76 | / | 335) | = | 0.90746268 | ||
| 6 | 47832 | 2557 | - | 2552 | = | 5 | * | (72 | / | 335) | = | 1.07462687 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Van Buren Elementary | 0 | ||||||||||||
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 | 49131 | 2421 | - | 2436 | = | -15 | * | (90 | / | 364) | = | -3.70879121 | ||
| 4 | 49133 | 2485 | - | 2485 | = | 0 | * | (112 | / | 364) | = | 0.0 | ||
| 5 | 49134 | 2523 | - | 2528 | = | -5 | * | (82 | / | 364) | = | -1.12637363 | ||
| 6 | 49136 | 2553 | - | 2552 | = | 1 | * | (80 | / | 364) | = | 0.21978022 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Van Buren Elementary | -5 | ||||||||||||
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 | 49153 | 2474 | - | 2436 | = | 38 | * | (89 | / | 352) | = | 9.60795454 | ||
| 4 | 49154 | 2481 | - | 2485 | = | -4 | * | (88 | / | 352) | = | -1.0 | ||
| 5 | 49157 | 2525 | - | 2528 | = | -3 | * | (104 | / | 352) | = | -0.88636364 | ||
| 6 | 49158 | 2566 | - | 2552 | = | 14 | * | (71 | / | 352) | = | 2.82386363 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Van Buren Elementary | 11 | ||||||||||||
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 | 49352 | 2466 | - | 2436 | = | 30 | * | (104 | / | 363) | = | 8.59504131 | ||
| 4 | 49353 | 2497 | - | 2485 | = | 12 | * | (77 | / | 363) | = | 2.54545454 | ||
| 5 | 49354 | 2497 | - | 2528 | = | -31 | * | (89 | / | 363) | = | -7.60055095 | ||
| 6 | 49355 | 2562 | - | 2552 | = | 10 | * | (93 | / | 363) | = | 2.56198347 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Van Buren Elementary | 6 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -3 | 0 | -5 | 11 | 6 | 9.0 | 1.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 23.25
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -18.75
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 | 27% | 21% | 24% | 33% | 36% |
| 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.
Van Buren Elementary math proficiency
Zero+ meets standard.
22% less $meal
17% less $meal
19% less $meal
30% 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.