Rancho Verde Elementary (Data source)
Source data for Rancho 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 | 2106275 | 2404 | - | 2436 | = | -32 | * | (67 | / | 355) | = | -6.03943661 | ||
| 4 | 2106278 | 2417 | - | 2485 | = | -68 | * | (89 | / | 355) | = | -17.0478873 | ||
| 5 | 2106279 | 2438 | - | 2528 | = | -90 | * | (85 | / | 355) | = | -21.54929571 | ||
| 6 | 2106282 | 2445 | - | 2552 | = | -107 | * | (90 | / | 355) | = | -27.12676048 | ||
| 7 | 2106283 | 2500 | - | 2567 | = | -67 | * | (24 | / | 355) | = | -4.52957741 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Rancho Verde Elementary | -76 | ||||||||||||
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 | 64697 | 2403 | - | 2436 | = | -33 | * | (96 | / | 345) | = | -9.18260868 | ||
| 4 | 64698 | 2411 | - | 2485 | = | -74 | * | (95 | / | 345) | = | -20.37681153 | ||
| 5 | 64700 | 2440 | - | 2528 | = | -88 | * | (77 | / | 345) | = | -19.64057964 | ||
| 6 | 64702 | 2467 | - | 2552 | = | -85 | * | (77 | / | 345) | = | -18.97101443 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Rancho Verde Elementary | -68 | ||||||||||||
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 | 66520 | 2401 | - | 2436 | = | -35 | * | (73 | / | 356) | = | -7.17696627 | ||
| 4 | 66522 | 2419 | - | 2485 | = | -66 | * | (97 | / | 356) | = | -17.98314606 | ||
| 5 | 66524 | 2432 | - | 2528 | = | -96 | * | (95 | / | 356) | = | -25.61797747 | ||
| 6 | 66527 | 2435 | - | 2552 | = | -117 | * | (91 | / | 356) | = | -29.90730331 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Rancho Verde Elementary | -81 | ||||||||||||
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 | 66592 | 2380 | - | 2436 | = | -56 | * | (90 | / | 367) | = | -13.73296999 | ||
| 4 | 66594 | 2412 | - | 2485 | = | -73 | * | (78 | / | 367) | = | -15.51498631 | ||
| 5 | 66596 | 2435 | - | 2528 | = | -93 | * | (104 | / | 367) | = | -26.35422338 | ||
| 6 | 66598 | 2434 | - | 2552 | = | -118 | * | (95 | / | 367) | = | -30.54495903 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Rancho Verde Elementary | -86 | ||||||||||||
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 | 67024 | 2398 | - | 2436 | = | -38 | * | (99 | / | 358) | = | -10.50837986 | ||
| 4 | 67025 | 2433 | - | 2485 | = | -52 | * | (82 | / | 358) | = | -11.91061451 | ||
| 5 | 67026 | 2446 | - | 2528 | = | -82 | * | (79 | / | 358) | = | -18.09497206 | ||
| 6 | 67027 | 2455 | - | 2552 | = | -97 | * | (98 | / | 358) | = | -26.55307255 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Rancho Verde Elementary | -67 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -76 | -68 | -81 | -86 | -67 | -378.0 | -75.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -51.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -99.6
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 | 85% | 91% | 89% | 88% | 87% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Apple Valley 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.
Rancho Verde Elementary math proficiency
Zero+ meets standard.
81% less $meal
86% less $meal
81% less $meal
85% less $meal
80% 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.