Joshua Tree Elementary (Data source)
Source data for Joshua Tree 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 | 1998542 | 2384 | - | 2436 | = | -52 | * | (63 | / | 188) | = | -17.42553186 | ||
| 4 | 1998543 | 2414 | - | 2485 | = | -71 | * | (42 | / | 188) | = | -15.86170211 | ||
| 5 | 1998546 | 2453 | - | 2528 | = | -75 | * | (42 | / | 188) | = | -16.75531913 | ||
| 6 | 1998547 | 2470 | - | 2552 | = | -82 | * | (41 | / | 188) | = | -17.88297869 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Joshua Tree Elementary | -68 | ||||||||||||
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 | 61457 | 2412 | - | 2436 | = | -24 | * | (44 | / | 179) | = | -5.89944132 | ||
| 4 | 61458 | 2397 | - | 2485 | = | -88 | * | (58 | / | 179) | = | -28.51396645 | ||
| 5 | 61461 | 2460 | - | 2528 | = | -68 | * | (38 | / | 179) | = | -14.43575414 | ||
| 6 | 61463 | 2502 | - | 2552 | = | -50 | * | (39 | / | 179) | = | -10.8938547 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Joshua Tree Elementary | -60 | ||||||||||||
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 | 63237 | 2370 | - | 2436 | = | -66 | * | (42 | / | 186) | = | -14.90322577 | ||
| 4 | 63238 | 2413 | - | 2485 | = | -72 | * | (50 | / | 186) | = | -19.35483869 | ||
| 5 | 63240 | 2431 | - | 2528 | = | -97 | * | (56 | / | 186) | = | -29.204301 | ||
| 6 | 63243 | 2494 | - | 2552 | = | -58 | * | (38 | / | 186) | = | -11.84946235 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Joshua Tree Elementary | -75 | ||||||||||||
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 | 63335 | 2388 | - | 2436 | = | -48 | * | (41 | / | 170) | = | -11.57647056 | ||
| 4 | 63337 | 2400 | - | 2485 | = | -85 | * | (33 | / | 170) | = | -16.5 | ||
| 5 | 63339 | 2432 | - | 2528 | = | -96 | * | (46 | / | 170) | = | -25.97647056 | ||
| 6 | 63341 | 2452 | - | 2552 | = | -100 | * | (50 | / | 170) | = | -29.4117647 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Joshua Tree Elementary | -83 | ||||||||||||
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 | 63592 | 2352 | - | 2436 | = | -84 | * | (40 | / | 159) | = | -21.13207547 | ||
| 4 | 63593 | 2403 | - | 2485 | = | -82 | * | (40 | / | 159) | = | -20.62893081 | ||
| 5 | 63594 | 2451 | - | 2528 | = | -77 | * | (35 | / | 159) | = | -16.94968552 | ||
| 6 | 63595 | 2495 | - | 2552 | = | -57 | * | (44 | / | 159) | = | -15.77358486 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Joshua Tree Elementary | -74 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -68 | -60 | -75 | -83 | -74 | -360.0 | -72.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -48.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -96.0
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 | 88% | 88% | 86% | 85% | 91% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Morongo 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.
Joshua Tree Elementary math proficiency
Zero+ meets standard.
80% less $meal
82% less $meal
81% less $meal
81% less $meal
82% 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.