Parkridge Elementary (Data source)
Source data for Parkridge 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 | 1662931 | 2383 | - | 2436 | = | -53 | * | (110 | / | 450) | = | -12.95555553 | ||
| 4 | 1662934 | 2425 | - | 2485 | = | -60 | * | (106 | / | 450) | = | -14.1333333 | ||
| 5 | 1662935 | 2436 | - | 2528 | = | -92 | * | (115 | / | 450) | = | -23.51111106 | ||
| 6 | 1662938 | 2462 | - | 2552 | = | -90 | * | (119 | / | 450) | = | -23.79999996 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Parkridge Elementary | -74 | ||||||||||||
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 | 51908 | 2396 | - | 2436 | = | -40 | * | (131 | / | 475) | = | -11.03157892 | ||
| 4 | 51911 | 2434 | - | 2485 | = | -51 | * | (105 | / | 475) | = | -11.27368418 | ||
| 5 | 51913 | 2446 | - | 2528 | = | -82 | * | (119 | / | 475) | = | -20.54315783 | ||
| 6 | 51914 | 2460 | - | 2552 | = | -92 | * | (120 | / | 475) | = | -23.24210518 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Parkridge Elementary | -66 | ||||||||||||
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 | 53432 | 2372 | - | 2436 | = | -64 | * | (112 | / | 472) | = | -15.18644064 | ||
| 4 | 53433 | 2419 | - | 2485 | = | -66 | * | (133 | / | 472) | = | -18.59745763 | ||
| 5 | 53435 | 2439 | - | 2528 | = | -89 | * | (111 | / | 472) | = | -20.9300847 | ||
| 6 | 53438 | 2488 | - | 2552 | = | -64 | * | (116 | / | 472) | = | -15.7288135 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Parkridge Elementary | -70 | ||||||||||||
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 | 53521 | 2367 | - | 2436 | = | -69 | * | (115 | / | 461) | = | -17.2125813 | ||
| 4 | 53522 | 2414 | - | 2485 | = | -71 | * | (101 | / | 461) | = | -15.55531453 | ||
| 5 | 53525 | 2441 | - | 2528 | = | -87 | * | (133 | / | 461) | = | -25.09978301 | ||
| 6 | 53526 | 2479 | - | 2552 | = | -73 | * | (112 | / | 461) | = | -17.73535788 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Parkridge Elementary | -76 | ||||||||||||
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 | 53756 | 2385 | - | 2436 | = | -51 | * | (95 | / | 443) | = | -10.93679455 | ||
| 4 | 53757 | 2411 | - | 2485 | = | -74 | * | (125 | / | 443) | = | -20.88036111 | ||
| 5 | 53758 | 2454 | - | 2528 | = | -74 | * | (95 | / | 443) | = | -15.86907445 | ||
| 6 | 53759 | 2489 | - | 2552 | = | -63 | * | (128 | / | 443) | = | -18.20316021 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Parkridge Elementary | -66 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -74 | -66 | -70 | -76 | -66 | -352.0 | -70.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -58.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -82.4
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 | 91% | 89% | 90% | 91% | 89% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Corona-Norco Unified school district | County of Riverside
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Parkridge Elementary math proficiency
Zero+ meets standard.
83% less $meal
79% less $meal
78% less $meal
82% 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.