Arroyo Verde Elementary (Data source)
Source data for Arroyo Verde 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 | 2026809 | 2456 | - | 2436 | = | 20 | * | (100 | / | 303) | = | 6.60066006 | ||
| 4 | 2026810 | 2465 | - | 2485 | = | -20 | * | (96 | / | 303) | = | -6.33663366 | ||
| 5 | 2026813 | 2500 | - | 2528 | = | -28 | * | (107 | / | 303) | = | -9.88778876 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Arroyo Verde Elementary | -10 | ||||||||||||
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 | 62311 | 2467 | - | 2436 | = | 31 | * | (105 | / | 309) | = | 10.53398058 | ||
| 4 | 62312 | 2483 | - | 2485 | = | -2 | * | (103 | / | 309) | = | -0.66666667 | ||
| 5 | 62315 | 2508 | - | 2528 | = | -20 | * | (101 | / | 309) | = | -6.53721682 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Arroyo Verde Elementary | 3 | ||||||||||||
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 | 64095 | 2454 | - | 2436 | = | 18 | * | (105 | / | 322) | = | 5.86956521 | ||
| 4 | 64096 | 2477 | - | 2485 | = | -8 | * | (110 | / | 322) | = | -2.73291925 | ||
| 5 | 64099 | 2519 | - | 2528 | = | -9 | * | (107 | / | 322) | = | -2.99068322 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Arroyo Verde Elementary | 0 | ||||||||||||
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 | 64199 | 2481 | - | 2436 | = | 45 | * | (110 | / | 343) | = | 14.43148686 | ||
| 4 | 64202 | 2459 | - | 2485 | = | -26 | * | (117 | / | 343) | = | -8.86880465 | ||
| 5 | 64203 | 2514 | - | 2528 | = | -14 | * | (116 | / | 343) | = | -4.73469387 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Arroyo Verde Elementary | 1 | ||||||||||||
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 | 64567 | 2458 | - | 2436 | = | 22 | * | (92 | / | 321) | = | 6.30529594 | ||
| 4 | 64568 | 2497 | - | 2485 | = | 12 | * | (113 | / | 321) | = | 4.22429906 | ||
| 5 | 64569 | 2494 | - | 2528 | = | -34 | * | (116 | / | 321) | = | -12.28660434 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Arroyo Verde Elementary | -2 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -10 | 3 | 0 | 1 | -2 | -8.0 | -1.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 13.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -17.0
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 | 50% | 48% | 46% | 52% | 53% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Redlands Unified school district County of San Bernardino
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.
Arroyo Verde Elementary math proficiency
Zero+ meets standard.
42% less $meal
41% less $meal
40% less $meal
47% 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.