Del Rey Elementary (Data source)
Source data for Del Rey 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 | 2066768 | 2345 | - | 2436 | = | -91 | * | (75 | / | 323) | = | -21.13003092 | ||
| 4 | 2066769 | 2380 | - | 2485 | = | -105 | * | (95 | / | 323) | = | -30.88235294 | ||
| 5 | 2066772 | 2414 | - | 2528 | = | -114 | * | (71 | / | 323) | = | -25.05882347 | ||
| 6 | 2066773 | 2440 | - | 2552 | = | -112 | * | (82 | / | 323) | = | -28.43343653 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Del Rey Elementary | -106 | ||||||||||||
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 | 63501 | 2374 | - | 2436 | = | -62 | * | (108 | / | 339) | = | -19.75221234 | ||
| 4 | 63502 | 2365 | - | 2485 | = | -120 | * | (68 | / | 339) | = | -24.0707964 | ||
| 5 | 63504 | 2418 | - | 2528 | = | -110 | * | (93 | / | 339) | = | -30.17699113 | ||
| 6 | 63507 | 2419 | - | 2552 | = | -133 | * | (70 | / | 339) | = | -27.46312678 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Del Rey Elementary | -101 | ||||||||||||
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 | 65298 | 2379 | - | 2436 | = | -57 | * | (78 | / | 336) | = | -13.23214285 | ||
| 4 | 65301 | 2391 | - | 2485 | = | -94 | * | (92 | / | 336) | = | -25.73809516 | ||
| 5 | 65302 | 2398 | - | 2528 | = | -130 | * | (79 | / | 336) | = | -30.56547611 | ||
| 6 | 65304 | 2422 | - | 2552 | = | -130 | * | (87 | / | 336) | = | -33.66071423 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Del Rey Elementary | -103 | ||||||||||||
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 | 65383 | 2365 | - | 2436 | = | -71 | * | (103 | / | 354) | = | -20.65819202 | ||
| 4 | 65385 | 2369 | - | 2485 | = | -116 | * | (86 | / | 354) | = | -28.18079095 | ||
| 5 | 65387 | 2416 | - | 2528 | = | -112 | * | (90 | / | 354) | = | -28.47457626 | ||
| 6 | 65389 | 2393 | - | 2552 | = | -159 | * | (75 | / | 354) | = | -33.68644055 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Del Rey Elementary | -111 | ||||||||||||
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 | 65772 | 2392 | - | 2436 | = | -44 | * | (96 | / | 375) | = | -11.264 | ||
| 4 | 65773 | 2389 | - | 2485 | = | -96 | * | (99 | / | 375) | = | -25.344 | ||
| 5 | 65774 | 2417 | - | 2528 | = | -111 | * | (86 | / | 375) | = | -25.45599996 | ||
| 6 | 65775 | 2417 | - | 2552 | = | -135 | * | (94 | / | 375) | = | -33.83999991 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Del Rey Elementary | -96 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -106 | -101 | -103 | -111 | -96 | -517.0 | -103.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -88.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -118.4
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 | 98% | 98% | 98% | 94% | 96% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Victor Elementary 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.
Del Rey Elementary math proficiency
Zero+ meets standard.
95% less $meal
96% less $meal
94% less $meal
92% less $meal
93% 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.