Desert Knolls Elementary (Data source)
Source data for Desert Knolls 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 | 2107004 | 2378 | - | 2436 | = | -58 | * | (93 | / | 313) | = | -17.2332268 | ||
| 4 | 2107007 | 2420 | - | 2485 | = | -65 | * | (74 | / | 313) | = | -15.36741213 | ||
| 5 | 2107008 | 2458 | - | 2528 | = | -70 | * | (78 | / | 313) | = | -17.44408939 | ||
| 6 | 2107011 | 2472 | - | 2552 | = | -80 | * | (68 | / | 313) | = | -17.38019168 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Desert Knolls Elementary | -67 | ||||||||||||
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 | 64716 | 2399 | - | 2436 | = | -37 | * | (85 | / | 314) | = | -10.01592353 | ||
| 4 | 64718 | 2412 | - | 2485 | = | -73 | * | (81 | / | 314) | = | -18.83121016 | ||
| 5 | 64720 | 2446 | - | 2528 | = | -82 | * | (82 | / | 314) | = | -21.41401267 | ||
| 6 | 64722 | 2488 | - | 2552 | = | -64 | * | (66 | / | 314) | = | -13.45222925 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Desert Knolls Elementary | -64 | ||||||||||||
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 | 66541 | 2394 | - | 2436 | = | -42 | * | (69 | / | 304) | = | -9.53289473 | ||
| 4 | 66543 | 2428 | - | 2485 | = | -57 | * | (91 | / | 304) | = | -17.06249999 | ||
| 5 | 66545 | 2457 | - | 2528 | = | -71 | * | (79 | / | 304) | = | -18.45065789 | ||
| 6 | 66546 | 2488 | - | 2552 | = | -64 | * | (65 | / | 304) | = | -13.6842105 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Desert Knolls Elementary | -59 | ||||||||||||
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 | 66612 | 2395 | - | 2436 | = | -41 | * | (60 | / | 300) | = | -8.2 | ||
| 4 | 66614 | 2440 | - | 2485 | = | -45 | * | (75 | / | 300) | = | -11.25 | ||
| 5 | 66616 | 2470 | - | 2528 | = | -58 | * | (94 | / | 300) | = | -18.17333331 | ||
| 6 | 66618 | 2484 | - | 2552 | = | -68 | * | (71 | / | 300) | = | -16.09333329 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Desert Knolls Elementary | -54 | ||||||||||||
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 | 67044 | 2406 | - | 2436 | = | -30 | * | (78 | / | 300) | = | -7.8 | ||
| 4 | 67045 | 2418 | - | 2485 | = | -67 | * | (69 | / | 300) | = | -15.41 | ||
| 5 | 67046 | 2456 | - | 2528 | = | -72 | * | (81 | / | 300) | = | -19.44 | ||
| 6 | 67047 | 2484 | - | 2552 | = | -68 | * | (72 | / | 300) | = | -16.32 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Desert Knolls Elementary | -59 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -67 | -64 | -59 | -54 | -59 | -303.0 | -60.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -45.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -75.6
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 | 66% | 75% | 72% | 72% | 76% |
| 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.
Desert Knolls Elementary math proficiency
Zero+ meets standard.
59% less $meal
70% less $meal
66% less $meal
67% less $meal
65% 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.