Parklane Elementary (Data source)
Source data for Parklane 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 | 2413317 | 2386 | - | 2436 | = | -50 | * | (84 | / | 251) | = | -16.7330677 | ||
4 | 2413318 | 2446 | - | 2485 | = | -39 | * | (79 | / | 251) | = | -12.27490037 | ||
5 | 2413321 | 2458 | - | 2528 | = | -70 | * | (57 | / | 251) | = | -15.89641431 | ||
6 | 2413322 | 2452 | - | 2552 | = | -100 | * | (31 | / | 251) | = | -12.3505976 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Parklane Elementary | -57 |
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 | 73702 | 2386 | - | 2436 | = | -50 | * | (74 | / | 288) | = | -12.8472222 | ||
4 | 73703 | 2433 | - | 2485 | = | -52 | * | (85 | / | 288) | = | -15.34722218 | ||
5 | 73706 | 2430 | - | 2528 | = | -98 | * | (72 | / | 288) | = | -24.5 | ||
6 | 73707 | 2464 | - | 2552 | = | -88 | * | (57 | / | 288) | = | -17.41666661 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Parklane Elementary | -70 |
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 | 75678 | 2389 | - | 2436 | = | -47 | * | (73 | / | 309) | = | -11.10355984 | ||
4 | 75681 | 2419 | - | 2485 | = | -66 | * | (78 | / | 309) | = | -16.66019414 | ||
5 | 75683 | 2415 | - | 2528 | = | -113 | * | (87 | / | 309) | = | -31.81553397 | ||
6 | 75684 | 2433 | - | 2552 | = | -119 | * | (71 | / | 309) | = | -27.34304198 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Parklane Elementary | -87 |
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 | 75865 | 2374 | - | 2436 | = | -62 | * | (71 | / | 301) | = | -14.62458468 | ||
4 | 75868 | 2428 | - | 2485 | = | -57 | * | (76 | / | 301) | = | -14.39202656 | ||
5 | 75869 | 2408 | - | 2528 | = | -120 | * | (75 | / | 301) | = | -29.9003322 | ||
6 | 75872 | 2456 | - | 2552 | = | -96 | * | (79 | / | 301) | = | -25.19601322 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Parklane Elementary | -84 |
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 | 76388 | 2396 | - | 2436 | = | -40 | * | (70 | / | 250) | = | -11.2 | ||
4 | 76389 | 2437 | - | 2485 | = | -48 | * | (54 | / | 250) | = | -10.368 | ||
5 | 76390 | 2418 | - | 2528 | = | -110 | * | (67 | / | 250) | = | -29.48 | ||
6 | 76391 | 2434 | - | 2552 | = | -118 | * | (59 | / | 250) | = | -27.848 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Parklane Elementary | -79 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-57 | -70 | -87 | -84 | -79 | -377.0 | -75.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -39.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -111.4
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 | 94% | 96% | 94% | 95% | 84% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Lodi Unified school district County of San Joaquin
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.
Parklane Elementary math proficiency
Zero+ meets standard.
84% less $meal
88% less $meal
87% less $meal
87% 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.