Lockeford Elementary (Data source)
Source data for Lockeford 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 | 2410799 | 2400 | - | 2436 | = | -36 | * | (57 | / | 353) | = | -5.81303113 | ||
4 | 2410800 | 2427 | - | 2485 | = | -58 | * | (53 | / | 353) | = | -8.70821529 | ||
5 | 2410803 | 2454 | - | 2528 | = | -74 | * | (73 | / | 353) | = | -15.30311608 | ||
6 | 2410805 | 2484 | - | 2552 | = | -68 | * | (56 | / | 353) | = | -10.78753537 | ||
7 | 2410806 | 2496 | - | 2567 | = | -71 | * | (62 | / | 353) | = | -12.4702549 | ||
8 | 2410809 | 2510 | - | 2586 | = | -76 | * | (52 | / | 353) | = | -11.19546736 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Lockeford Elementary | -64 |
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 | 73625 | 2426 | - | 2436 | = | -10 | * | (41 | / | 326) | = | -1.25766871 | ||
4 | 73627 | 2458 | - | 2485 | = | -27 | * | (56 | / | 326) | = | -4.63803681 | ||
5 | 73630 | 2468 | - | 2528 | = | -60 | * | (50 | / | 326) | = | -9.20245398 | ||
6 | 73632 | 2472 | - | 2552 | = | -80 | * | (67 | / | 326) | = | -16.44171776 | ||
7 | 73633 | 2494 | - | 2567 | = | -73 | * | (54 | / | 326) | = | -12.09202448 | ||
8 | 73635 | 2501 | - | 2586 | = | -85 | * | (58 | / | 326) | = | -15.12269935 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Lockeford Elementary | -59 |
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 | 75603 | 2412 | - | 2436 | = | -24 | * | (59 | / | 332) | = | -4.26506023 | ||
4 | 75605 | 2472 | - | 2485 | = | -13 | * | (40 | / | 332) | = | -1.56626505 | ||
5 | 75607 | 2488 | - | 2528 | = | -40 | * | (56 | / | 332) | = | -6.74698792 | ||
6 | 75609 | 2480 | - | 2552 | = | -72 | * | (54 | / | 332) | = | -11.71084334 | ||
7 | 75611 | 2496 | - | 2567 | = | -71 | * | (67 | / | 332) | = | -14.32831319 | ||
8 | 75612 | 2487 | - | 2586 | = | -99 | * | (56 | / | 332) | = | -16.6987951 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Lockeford Elementary | -55 |
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 | 75790 | 2392 | - | 2436 | = | -44 | * | (52 | / | 332) | = | -6.89156626 | ||
4 | 75792 | 2462 | - | 2485 | = | -23 | * | (60 | / | 332) | = | -4.15662649 | ||
5 | 75794 | 2511 | - | 2528 | = | -17 | * | (49 | / | 332) | = | -2.50903614 | ||
6 | 75796 | 2511 | - | 2552 | = | -41 | * | (60 | / | 332) | = | -7.40963853 | ||
7 | 75798 | 2485 | - | 2567 | = | -82 | * | (49 | / | 332) | = | -12.1024096 | ||
8 | 75800 | 2487 | - | 2586 | = | -99 | * | (62 | / | 332) | = | -18.48795171 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Lockeford Elementary | -52 |
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 | 76314 | 2423 | - | 2436 | = | -13 | * | (80 | / | 354) | = | -2.9378531 | ||
4 | 76315 | 2442 | - | 2485 | = | -43 | * | (53 | / | 354) | = | -6.4378531 | ||
5 | 76316 | 2511 | - | 2528 | = | -17 | * | (56 | / | 354) | = | -2.68926553 | ||
6 | 76317 | 2528 | - | 2552 | = | -24 | * | (51 | / | 354) | = | -3.4576271 | ||
7 | 76318 | 2517 | - | 2567 | = | -50 | * | (63 | / | 354) | = | -8.89830505 | ||
8 | 76319 | 2451 | - | 2586 | = | -135 | * | (51 | / | 354) | = | -19.44915246 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Lockeford Elementary | -44 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-64 | -59 | -55 | -52 | -44 | -274.0 | -54.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -33.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -75.8
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 | 61% | 63% | 62% | 64% | 65% |
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.
Lockeford Elementary math proficiency
Zero+ meets standard.
49% less $meal
53% less $meal
48% less $meal
57% less $meal
59% 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.