Crestline Elementary (Data source)
Source data for Crestline 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 | 1945065 | 2380 | - | 2436 | = | -56 | * | (66 | / | 239) | = | -15.46443511 | ||
| 4 | 1945066 | 2394 | - | 2485 | = | -91 | * | (65 | / | 239) | = | -24.74895396 | ||
| 5 | 1945069 | 2409 | - | 2528 | = | -119 | * | (56 | / | 239) | = | -27.88284514 | ||
| 6 | 1945070 | 2471 | - | 2552 | = | -81 | * | (52 | / | 239) | = | -17.6234309 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Crestline Elementary | -86 | ||||||||||||
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 | 59928 | 2346 | - | 2436 | = | -90 | * | (77 | / | 256) | = | -27.0703125 | ||
| 4 | 59930 | 2373 | - | 2485 | = | -112 | * | (56 | / | 256) | = | -24.5 | ||
| 5 | 59933 | 2405 | - | 2528 | = | -123 | * | (66 | / | 256) | = | -31.7109375 | ||
| 6 | 59934 | 2436 | - | 2552 | = | -116 | * | (57 | / | 256) | = | -25.828125 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Crestline Elementary | -109 | ||||||||||||
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 | 61658 | 2344 | - | 2436 | = | -92 | * | (82 | / | 279) | = | -27.03942652 | ||
| 4 | 61660 | 2367 | - | 2485 | = | -118 | * | (82 | / | 279) | = | -34.68100358 | ||
| 5 | 61663 | 2410 | - | 2528 | = | -118 | * | (52 | / | 279) | = | -21.9928315 | ||
| 6 | 61664 | 2395 | - | 2552 | = | -157 | * | (63 | / | 279) | = | -35.45161281 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Crestline Elementary | -119 | ||||||||||||
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 | 61751 | 2342 | - | 2436 | = | -94 | * | (88 | / | 282) | = | -29.33333328 | ||
| 4 | 61752 | 2392 | - | 2485 | = | -93 | * | (68 | / | 282) | = | -22.42553184 | ||
| 5 | 61755 | 2382 | - | 2528 | = | -146 | * | (72 | / | 282) | = | -37.27659561 | ||
| 6 | 61756 | 2397 | - | 2552 | = | -155 | * | (54 | / | 282) | = | -29.68085096 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Crestline Elementary | -119 | ||||||||||||
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 | 62020 | 2342 | - | 2436 | = | -94 | * | (82 | / | 288) | = | -26.76388887 | ||
| 4 | 62021 | 2364 | - | 2485 | = | -121 | * | (82 | / | 288) | = | -34.45138886 | ||
| 5 | 62022 | 2398 | - | 2528 | = | -130 | * | (59 | / | 288) | = | -26.63194443 | ||
| 6 | 62023 | 2384 | - | 2552 | = | -168 | * | (65 | / | 288) | = | -37.91666659 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Crestline Elementary | -126 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -86 | -109 | -119 | -119 | -126 | -559.0 | -111.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -66.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -156.8
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 | 89% | 93% | 95% | 95% | 87% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Barstow 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.
Crestline Elementary math proficiency
Zero+ meets standard.
85% less $meal
90% less $meal
93% less $meal
94% less $meal
87% 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.
Elementary School (Public) schools in Barstow Unified (7)
| Barstow Fine Arts Academy | Cameron Elementary | Crestline Elementary |
| Henderson Elementary | Lenwood Elementary | Montara Elementary |
| Skyline North Elementary |